diff --git a/applications/test/decomposedBlockData/Test-decomposedBlockData.C b/applications/test/decomposedBlockData/Test-decomposedBlockData.C
index 182e9214cc549485a759ea9e3c1ec098efffd325..1aa698ba8e0dffc128e5346ca128c810fe28de08 100644
--- a/applications/test/decomposedBlockData/Test-decomposedBlockData.C
+++ b/applications/test/decomposedBlockData/Test-decomposedBlockData.C
@@ -79,7 +79,6 @@ int main(int argc, char *argv[])
     (
         objPath,
         IOstreamOption::BINARY,
-        IOstreamOption::currentVersion,
         runTime.writeCompression()
     );
     if (!os.good())
diff --git a/src/OpenFOAM/db/IOstreams/Fstreams/Fstream.H b/src/OpenFOAM/db/IOstreams/Fstreams/Fstream.H
index 94aee791235370f5e87fc5d229a609a431eb156a..e6a8a2b587451baad6b4acd8679ac436f6d9d61e 100644
--- a/src/OpenFOAM/db/IOstreams/Fstreams/Fstream.H
+++ b/src/OpenFOAM/db/IOstreams/Fstreams/Fstream.H
@@ -15,8 +15,8 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef Fstream_H
-#define Fstream_H
+#ifndef Foam_Fstream_H
+#define Foam_Fstream_H
 
 #include "fstreamPointer.H"
 #include "IFstream.H"
diff --git a/src/OpenFOAM/db/IOstreams/Fstreams/IFstream.H b/src/OpenFOAM/db/IOstreams/Fstreams/IFstream.H
index 86a4b9432ac4473058518ab2bd7c4ef58a6af788..989ebaf77e372cb9eb949f3b1bd33bc9a83030d6 100644
--- a/src/OpenFOAM/db/IOstreams/Fstreams/IFstream.H
+++ b/src/OpenFOAM/db/IOstreams/Fstreams/IFstream.H
@@ -35,8 +35,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef IFstream_H
-#define IFstream_H
+#ifndef Foam_IFstream_H
+#define Foam_IFstream_H
 
 #include "ISstream.H"
 #include "className.H"
@@ -75,11 +75,10 @@ public:
         IFstream
         (
             const fileName& pathname,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IFstream(pathname, IOstreamOption(fmt, ver))
+            IFstream(pathname, IOstreamOption(fmt))
         {}
 
 
diff --git a/src/OpenFOAM/db/IOstreams/Fstreams/OFstream.H b/src/OpenFOAM/db/IOstreams/Fstreams/OFstream.H
index 9ee99bc9c87d85657ba7c5c7441fdd3132d20b99..1e358d9578bda95f04d10a7d828df079228aa1e9 100644
--- a/src/OpenFOAM/db/IOstreams/Fstreams/OFstream.H
+++ b/src/OpenFOAM/db/IOstreams/Fstreams/OFstream.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2017-2021 OpenCFD Ltd.
+    Copyright (C) 2017-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -35,8 +35,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef OFstream_H
-#define OFstream_H
+#ifndef Foam_OFstream_H
+#define Foam_OFstream_H
 
 #include "OSstream.H"
 #include "className.H"
@@ -76,17 +76,16 @@ public:
             const bool append = false
         );
 
-        //- Construct from pathname, format (version, compression)
+        //- Construct from pathname, format (uncompressed), optional append
         OFstream
         (
             const fileName& pathname,
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED,
             const bool append = false
         )
         :
-            OFstream(pathname, IOstreamOption(fmt, ver, cmp), append)
+            OFstream(pathname, IOstreamOption(fmt, cmp), append)
         {}
 
 
@@ -117,6 +116,25 @@ public:
 
         //- Print stream description
         void print(Ostream& os) const;
+
+
+    // Additional constructors and methods
+    #ifdef Foam_IOstream_extras
+
+        //- Construct from pathname, format (version, compression)
+        OFstream
+        (
+            const fileName& pathname,
+            IOstreamOption::streamFormat fmt,
+            IOstreamOption::versionNumber ver,
+            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED,
+            const bool append = false
+        )
+        :
+            OFstream(pathname, IOstreamOption(fmt, ver, cmp), append)
+        {}
+
+    #endif /* Foam_IOstream_extras */
 };
 
 
diff --git a/src/OpenFOAM/db/IOstreams/Fstreams/fstreamPointer.H b/src/OpenFOAM/db/IOstreams/Fstreams/fstreamPointer.H
index ed62c35b12e24d68a0db133cd7b2ebea6c47bdc6..6fb70c0b0a61b8954f92f626323d2d82b8467bd9 100644
--- a/src/OpenFOAM/db/IOstreams/Fstreams/fstreamPointer.H
+++ b/src/OpenFOAM/db/IOstreams/Fstreams/fstreamPointer.H
@@ -53,8 +53,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef fstreamPointer_H
-#define fstreamPointer_H
+#ifndef Foam_fstreamPointer_H
+#define Foam_fstreamPointer_H
 
 #include "IOstreamOption.H"
 #include "fileName.H"
diff --git a/src/OpenFOAM/db/IOstreams/Fstreams/masterOFstream.H b/src/OpenFOAM/db/IOstreams/Fstreams/masterOFstream.H
index 85be1c4715b9dfeaf49a9e6ff25468d905ae534e..2c2f9c366715e0d029433736e0224e56cf8a670c 100644
--- a/src/OpenFOAM/db/IOstreams/Fstreams/masterOFstream.H
+++ b/src/OpenFOAM/db/IOstreams/Fstreams/masterOFstream.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020-2021 OpenCFD Ltd.
+    Copyright (C) 2020-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -35,8 +35,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef masterOFstream_H
-#define masterOFstream_H
+#ifndef Foam_masterOFstream_H
+#define Foam_masterOFstream_H
 
 #include "StringStream.H"
 
@@ -95,26 +95,6 @@ public:
             const bool valid = true
         );
 
-        //- Construct from pathname, version and set stream status
-        masterOFstream
-        (
-            const fileName& pathname,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
-            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED,
-            const bool append = false,
-            const bool valid = true
-        )
-        :
-            masterOFstream
-            (
-                pathname,
-                IOstreamOption(fmt, ver, cmp),
-                append,
-                valid
-            )
-        {}
-
 
     //- Destructor - commits buffered information to file
     ~masterOFstream();
diff --git a/src/OpenFOAM/db/IOstreams/IOstreams/IOstreamOption.H b/src/OpenFOAM/db/IOstreams/IOstreams/IOstreamOption.H
index e952058dc46fec2e7a4ffaaf624a72ff2fb49660..29bfd3c0b06cb993f8631b2c85aa6bdf6eb7ee50 100644
--- a/src/OpenFOAM/db/IOstreams/IOstreams/IOstreamOption.H
+++ b/src/OpenFOAM/db/IOstreams/IOstreams/IOstreamOption.H
@@ -28,13 +28,12 @@ Class
     Foam::IOstreamOption
 
 Description
-    The IOstreamOption is a simple container for options an IOstream
-    can normally have.
+    A simple container for options an IOstream can normally have.
 
     The format (ASCII | BINARY) is typically controlled by enumerated
     names (ascii, binary).
 
-    The compression  (UNCOMPRESSED | COMPRESSED) is typically controlled
+    The compression (UNCOMPRESSED | COMPRESSED) is typically controlled
     by switch values (true/false, on/off, ...).
 
 SourceFiles
@@ -284,10 +283,7 @@ public:
     // Member Functions
 
         //- Get the current stream format
-        streamFormat format() const noexcept
-        {
-            return format_;
-        }
+        streamFormat format() const noexcept { return format_; }
 
         //- Set the stream format
         //  \return the previous value
@@ -310,10 +306,7 @@ public:
         }
 
         //- Get the stream compression
-        compressionType compression() const noexcept
-        {
-            return compression_;
-        }
+        compressionType compression() const noexcept { return compression_; }
 
         //- Set the stream compression
         //  \return the previous value
@@ -336,10 +329,7 @@ public:
         }
 
         //- Get the stream version
-        versionNumber version() const noexcept
-        {
-            return version_;
-        }
+        versionNumber version() const noexcept { return version_; }
 
         //- Set the stream version
         //  \return the previous value
diff --git a/src/OpenFOAM/db/IOstreams/IOstreams/Istream.H b/src/OpenFOAM/db/IOstreams/IOstreams/Istream.H
index 998fa0e90a6177e118b2bbf415c08e1d64fe4286..36a9f9a66543873b896016d9e287d1f94e9d2173 100644
--- a/src/OpenFOAM/db/IOstreams/IOstreams/Istream.H
+++ b/src/OpenFOAM/db/IOstreams/IOstreams/Istream.H
@@ -104,15 +104,14 @@ public:
             putBackAvail_(false)
         {}
 
-        //- Construct with format, version (compression)
+        //- Construct with format (uncompressed)
         explicit Istream
         (
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
         )
         :
-            Istream(IOstreamOption(fmt, ver, cmp))
+            Istream(IOstreamOption(fmt, cmp))
         {}
 
 
diff --git a/src/OpenFOAM/db/IOstreams/IOstreams/Ostream.H b/src/OpenFOAM/db/IOstreams/IOstreams/Ostream.H
index c89b8b4c8e1150c7db634eb14b88cc498dcb142f..d55ec85388b1435ac3331d6fc48b1d6a0a49c6a8 100644
--- a/src/OpenFOAM/db/IOstreams/IOstreams/Ostream.H
+++ b/src/OpenFOAM/db/IOstreams/IOstreams/Ostream.H
@@ -96,15 +96,14 @@ public:
         {}
 
 
-        //- Construct with format, version (compression)
+        //- Construct with format (uncompressed)
         explicit Ostream
         (
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
         )
         :
-            Ostream(IOstreamOption(fmt, ver, cmp))
+            Ostream(IOstreamOption(fmt, cmp))
         {}
 
 
diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/UIPstreamBase.C b/src/OpenFOAM/db/IOstreams/Pstreams/UIPstreamBase.C
index 0dd6469332917b741d47d3d66c69269c32c5abb1..9df7380c5296070013b6b66aa4469fd9ef63dd0e 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/UIPstreamBase.C
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/UIPstreamBase.C
@@ -157,7 +157,7 @@ Foam::UIPstreamBase::UIPstreamBase
 )
 :
     UPstream(commsType),
-    Istream(fmt, IOstreamOption::currentVersion),
+    Istream(fmt),
     fromProcNo_(fromProcNo),
     recvBuf_(receiveBuf),
     recvBufPos_(receiveBufPosition),
@@ -178,7 +178,7 @@ Foam::UIPstreamBase::UIPstreamBase
 )
 :
     UPstream(buffers.commsType()),
-    Istream(buffers.format(), IOstreamOption::currentVersion),
+    Istream(buffers.format()),
     fromProcNo_(fromProcNo),
     recvBuf_(buffers.recvBuf_[fromProcNo]),
     recvBufPos_(buffers.recvBufPos_[fromProcNo]),
diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/UOPstreamBase.C b/src/OpenFOAM/db/IOstreams/Pstreams/UOPstreamBase.C
index 12daa2f140f0c93c19ec78bcab6ce2bd377cebc6..871bef8a01f728d5df53f45de94c60c2396c5a1a 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/UOPstreamBase.C
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/UOPstreamBase.C
@@ -143,7 +143,7 @@ Foam::UOPstreamBase::UOPstreamBase
 )
 :
     UPstream(commsType),
-    Ostream(fmt, IOstreamOption::currentVersion),
+    Ostream(fmt),
     toProcNo_(toProcNo),
     sendBuf_(sendBuf),
     tag_(tag),
@@ -158,7 +158,7 @@ Foam::UOPstreamBase::UOPstreamBase
 Foam::UOPstreamBase::UOPstreamBase(const int toProcNo, PstreamBuffers& buffers)
 :
     UPstream(buffers.commsType()),
-    Ostream(buffers.format(), IOstreamOption::currentVersion),
+    Ostream(buffers.format()),
     toProcNo_(toProcNo),
     sendBuf_(buffers.sendBuf_[toProcNo]),
     tag_(buffers.tag()),
diff --git a/src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H b/src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H
index 026b672571c3f1baa7634f0129ab585a46524c37..b5de1e6be256458a6a65c9dd7408ba15bfa66f15 100644
--- a/src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H
+++ b/src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H
@@ -93,7 +93,19 @@ public:
             std::istream& is,
             const string& streamName,
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
+            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
+        )
+        :
+            ISstream(is, streamName, IOstreamOption(fmt, cmp))
+        {}
+
+        //- Construct wrapper around std::istream, set stream status
+        ISstream
+        (
+            std::istream& is,
+            const string& streamName,
+            IOstreamOption::streamFormat fmt,
+            IOstreamOption::versionNumber ver,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
         )
         :
diff --git a/src/OpenFOAM/db/IOstreams/Sstreams/OSstream.H b/src/OpenFOAM/db/IOstreams/Sstreams/OSstream.H
index ba9a2d607f35561386da3cf3698e0c10c64cc5f4..fdf30150711699c78d1f6574b7dd9700b60dd719 100644
--- a/src/OpenFOAM/db/IOstreams/Sstreams/OSstream.H
+++ b/src/OpenFOAM/db/IOstreams/Sstreams/OSstream.H
@@ -91,7 +91,19 @@ public:
             std::ostream& os,
             const string& streamName,
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
+            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
+        )
+        :
+            OSstream(os, streamName, IOstreamOption(fmt, cmp))
+        {}
+
+        //- Construct wrapper around std::ostream, set stream status
+        OSstream
+        (
+            std::ostream& os,
+            const string& streamName,
+            IOstreamOption::streamFormat fmt,
+            IOstreamOption::versionNumber ver,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
         )
         :
diff --git a/src/OpenFOAM/db/IOstreams/Sstreams/prefixOSstream.H b/src/OpenFOAM/db/IOstreams/Sstreams/prefixOSstream.H
index fa6967c381862e008d956c3bb9bc47e4d5b5eef6..089c5c168ce489707b7ed4c320da31fea13e83ce 100644
--- a/src/OpenFOAM/db/IOstreams/Sstreams/prefixOSstream.H
+++ b/src/OpenFOAM/db/IOstreams/Sstreams/prefixOSstream.H
@@ -80,19 +80,6 @@ public:
             IOstreamOption streamOpt = IOstreamOption()
         );
 
-        //- Construct and set stream status
-        prefixOSstream
-        (
-            std::ostream& os,
-            const string& streamName,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
-            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
-        )
-        :
-            prefixOSstream(os, streamName, IOstreamOption(fmt, ver, cmp))
-        {}
-
 
     // Member Functions
 
diff --git a/src/OpenFOAM/db/IOstreams/StringStreams/StringStream.H b/src/OpenFOAM/db/IOstreams/StringStreams/StringStream.H
index 75eae5c01597ade4d503285067e377d44497b279..77135a1487da7e6fb88e2697c519c97ff23b75d1 100644
--- a/src/OpenFOAM/db/IOstreams/StringStreams/StringStream.H
+++ b/src/OpenFOAM/db/IOstreams/StringStreams/StringStream.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2021 OpenCFD Ltd.
+    Copyright (C) 2017-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -34,8 +34,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef StringStream_H
-#define StringStream_H
+#ifndef Foam_StringStream_H
+#define Foam_StringStream_H
 
 #include "ISstream.H"
 #include "OSstream.H"
@@ -152,7 +152,7 @@ public:
         IStringStream(const IStringStream& str)
         :
             allocator_type(str.str()),
-            ISstream(stream_, str.name(), str.format(), str.version())
+            ISstream(stream_, str.name(), static_cast<IOstreamOption>(str))
         {}
 
 
@@ -183,36 +183,30 @@ public:
     // Additional constructors and methods (as per v2012 and earlier)
     #ifdef Foam_IOstream_extras
 
-        //- Default construct
-        explicit IStringStream
-        (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
-        )
+        //- Construct empty with given format
+        explicit IStringStream(IOstreamOption::streamFormat fmt)
         :
-            IStringStream(IOstreamOption(fmt, ver))
+            IStringStream(IOstreamOption(fmt))
         {}
 
-        //- Construct from std::string
+        //- Construct from std::string with given format
         IStringStream
         (
             const std::string& s,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IStringStream(s, IOstreamOption(fmt, ver))
+            IStringStream(s, IOstreamOption(fmt))
         {}
 
-        //- Construct from char*
+        //- Construct from char* with given format
         IStringStream
         (
             const char* s,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IStringStream(s, IOstreamOption(fmt, ver))
+            IStringStream(s, IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
@@ -249,7 +243,7 @@ public:
         OStringStream(const OStringStream& str)
         :
             allocator_type(str.str()),
-            OSstream(stream_, str.name(), str.format(), str.version())
+            OSstream(stream_, str.name(), static_cast<IOstreamOption>(str))
         {}
 
 
@@ -276,14 +270,10 @@ public:
     // Older style, without stream option (including 2012 release)
     #ifdef Foam_IOstream_extras
 
-        //- Default construct
-        explicit OStringStream
-        (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
-        )
+        //- Construct empty with given format
+        explicit OStringStream(IOstreamOption::streamFormat fmt)
         :
-            OStringStream(IOstreamOption(fmt, ver))
+            OStringStream(IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C b/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C
index eb89216025f8f167eacc18631b160c221d3e7364..c0dfc59a190a53c8eb745798f37d88b511970b0c 100644
--- a/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C
+++ b/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C
@@ -187,7 +187,7 @@ Foam::ITstream::ITstream
     const string& name
 )
 :
-    Istream(streamOpt.format(), streamOpt.version()),
+    Istream(IOstreamOption(streamOpt.format(), streamOpt.version())),
     tokenList(),
     name_(name),
     tokenIndex_(0)
@@ -215,7 +215,7 @@ Foam::ITstream::ITstream
     const string& name
 )
 :
-    Istream(streamOpt.format(), streamOpt.version()),
+    Istream(IOstreamOption(streamOpt.format(), streamOpt.version())),
     tokenList(tokens),
     name_(name),
     tokenIndex_(0)
@@ -232,7 +232,7 @@ Foam::ITstream::ITstream
     const string& name
 )
 :
-    Istream(streamOpt.format(), streamOpt.version()),
+    Istream(IOstreamOption(streamOpt.format(), streamOpt.version())),
     tokenList(std::move(tokens)),
     name_(name),
     tokenIndex_(0)
diff --git a/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H b/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H
index c23c81bb978260982659cd3eb8d9bea3de4f9808..819050f4c145c602974b47b96191fca288c0ec07 100644
--- a/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H
+++ b/src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H
@@ -392,11 +392,10 @@ public:
         (
             const string& name,
             const UList<token>& tokens,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            ITstream(name, tokens, IOstreamOption(fmt, ver))
+            ITstream(name, tokens, IOstreamOption(fmt))
         {}
 
         //- Construct from components, transferring the tokens
@@ -404,11 +403,10 @@ public:
         (
             const string& name,
             List<token>&& tokens,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            ITstream(name, std::move(tokens), IOstreamOption(fmt, ver))
+            ITstream(name, std::move(tokens), IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/Tstreams/OTstream.H b/src/OpenFOAM/db/IOstreams/Tstreams/OTstream.H
index 3f7561c5fbc13e30b93b2b1e1931b281c7afbc2e..856ba2eab4c323bfde6abf27f131a92e3e15748c 100644
--- a/src/OpenFOAM/db/IOstreams/Tstreams/OTstream.H
+++ b/src/OpenFOAM/db/IOstreams/Tstreams/OTstream.H
@@ -66,7 +66,7 @@ public:
         //- Default construct, set stream status
         explicit OTstream(IOstreamOption streamOpt = IOstreamOption())
         :
-            Ostream(streamOpt.format(), streamOpt.version()),
+            Ostream(IOstreamOption(streamOpt.format(), streamOpt.version())),
             DynamicList<token>()
         {
             setOpened();
@@ -76,7 +76,7 @@ public:
         //- Copy construct
         OTstream(const OTstream& os)
         :
-            Ostream(os.format(), os.version()),
+            Ostream(static_cast<IOstreamOption>(os)),
             DynamicList<token>(os.tokens())
         {
             setOpened();
@@ -86,7 +86,7 @@ public:
         //- Move construct
         OTstream(OTstream&& os)
         :
-            Ostream(os.format(), os.version()),
+            Ostream(static_cast<IOstreamOption>(os)),
             DynamicList<token>(std::move(os.tokens()))
         {
             setOpened();
@@ -259,14 +259,10 @@ public:
     // Additional constructors and methods (as per v2012 and earlier)
     #ifdef Foam_IOstream_extras
 
-        //- Construct empty with format, version
-        explicit OTstream
-        (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
-        )
+        //- Construct empty with format
+        explicit OTstream(IOstreamOption::streamFormat fmt)
         :
-            OTstream(IOstreamOption(fmt, ver))
+            OTstream(IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/hashes/OSHA1stream.H b/src/OpenFOAM/db/IOstreams/hashes/OSHA1stream.H
index 1268d7a8445550b5bb95e968073372d447ed10e8..5f359d5f3784bd3d390aa3cd0febcf4b78945f0e 100644
--- a/src/OpenFOAM/db/IOstreams/hashes/OSHA1stream.H
+++ b/src/OpenFOAM/db/IOstreams/hashes/OSHA1stream.H
@@ -234,14 +234,10 @@ public:
     // Additional constructors and methods (as per v2012 and earlier)
     #ifdef Foam_IOstream_extras
 
-        //- Construct empty
-        explicit OSHA1stream
-        (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
-        )
+        //- Construct with an empty digest, using given format
+        explicit OSHA1stream(IOstreamOption::streamFormat fmt)
         :
-            OSHA1stream(IOstreamOption(fmt, ver))
+            OSHA1stream(IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/memory/IListStream.H b/src/OpenFOAM/db/IOstreams/memory/IListStream.H
index ebf2033f2f138e41b18cd1c20b76ebd8d66f387b..cc25c1f665de43376b21411c801b6a8afa8b9afb 100644
--- a/src/OpenFOAM/db/IOstreams/memory/IListStream.H
+++ b/src/OpenFOAM/db/IOstreams/memory/IListStream.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2021 OpenCFD Ltd.
+    Copyright (C) 2017-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -38,8 +38,8 @@ See Also
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef IListStream_H
-#define IListStream_H
+#ifndef Foam_IListStream_H
+#define Foam_IListStream_H
 
 #include "List.H"
 #include "UIListStream.H"
@@ -217,11 +217,10 @@ public:
         //- Construct with an empty list
         explicit IListStream
         (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IListStream(IOstreamOption(fmt, ver))
+            IListStream(IOstreamOption(fmt))
         {}
 
 
@@ -229,11 +228,10 @@ public:
         IListStream
         (
             ::Foam::List<char>&& buffer,  // Fully qualify (issue #1521)
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IListStream(std::move(buffer), IOstreamOption(fmt, ver))
+            IListStream(std::move(buffer), IOstreamOption(fmt))
         {}
 
 
@@ -242,11 +240,10 @@ public:
         explicit IListStream
         (
             DynamicList<char,SizeMin>&& buffer,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            IListStream(std::move(buffer), IOstreamOption(fmt, ver))
+            IListStream(std::move(buffer), IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/memory/OCountStream.H b/src/OpenFOAM/db/IOstreams/memory/OCountStream.H
index 971856d92c69ad023b075271f365895a8b9d232f..697b6eece820ffaa01ed64ea9e890ccdcc23b2da 100644
--- a/src/OpenFOAM/db/IOstreams/memory/OCountStream.H
+++ b/src/OpenFOAM/db/IOstreams/memory/OCountStream.H
@@ -31,8 +31,8 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef OScountStream_H
-#define OScountStream_H
+#ifndef Foam_OScountStream_H
+#define Foam_OScountStream_H
 
 #include "OSstream.H"
 #include <iostream>
@@ -271,7 +271,7 @@ public:
         OCountStream(const OCountStream& str)
         :
             allocator_type(str.size()),
-            OSstream(stream_, str.name(), str.format(), str.version())
+            OSstream(stream_, str.name(), static_cast<IOstreamOption>(str))
         {}
 
 
@@ -291,14 +291,10 @@ public:
     // Additional constructors and methods (as per v2012 and earlier)
     #ifdef Foam_IOstream_extras
 
-        //- Default construct
-        explicit OCountStream
-        (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
-        )
+        //- Construct empty with format
+        explicit OCountStream(IOstreamOption::streamFormat fmt)
         :
-            OCountStream(IOstreamOption(fmt, ver))
+            OCountStream(IOstreamOption(fmt))
         {}
 
 
diff --git a/src/OpenFOAM/db/IOstreams/memory/OListStream.H b/src/OpenFOAM/db/IOstreams/memory/OListStream.H
index f02b5ef7f1fe7e67d6083fc68e20c1cf1b123448..7e2824738f9512fdfe0bbb31c0b0632a01b23ee1 100644
--- a/src/OpenFOAM/db/IOstreams/memory/OListStream.H
+++ b/src/OpenFOAM/db/IOstreams/memory/OListStream.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2021 OpenCFD Ltd.
+    Copyright (C) 2017-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -42,8 +42,8 @@ See Also
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef OListStream_H
-#define OListStream_H
+#ifndef Foam_OListStream_H
+#define Foam_OListStream_H
 
 #include "DynamicList.H"
 #include "OSstream.H"
@@ -470,33 +470,30 @@ public:
         //- Default construct (empty output)
         explicit OListStream
         (
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            OListStream(IOstreamOption(fmt, ver))
+            OListStream(IOstreamOption(fmt))
         {}
 
         //- Construct with initial reserved number of bytes
         explicit OListStream
         (
             size_t nbytes,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            OListStream(nbytes, IOstreamOption(fmt, ver))
+            OListStream(nbytes, IOstreamOption(fmt))
         {}
 
         //- Move construct from an existing List
         OListStream
         (
             List<char>&& buffer,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            OListStream(std::move(buffer), IOstreamOption(fmt, ver))
+            OListStream(std::move(buffer), IOstreamOption(fmt))
         {}
 
         //- Move construct from an existing DynamicList
@@ -504,11 +501,10 @@ public:
         OListStream
         (
             DynamicList<char,SizeMin>&& buffer,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            OListStream(std::move(buffer), IOstreamOption(fmt, ver))
+            OListStream(std::move(buffer), IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/memory/UIListStream.H b/src/OpenFOAM/db/IOstreams/memory/UIListStream.H
index d1da07127f15c9339d483bf8e40230f286786f34..68a4201fa89ae7fdb3864d75fdee0d20bf1708e4 100644
--- a/src/OpenFOAM/db/IOstreams/memory/UIListStream.H
+++ b/src/OpenFOAM/db/IOstreams/memory/UIListStream.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2016-2021 OpenCFD Ltd.
+    Copyright (C) 2016-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -61,8 +61,8 @@ See Also
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef UIListStream_H
-#define UIListStream_H
+#ifndef Foam_UIListStream_H
+#define Foam_UIListStream_H
 
 #include "UList.H"
 #include "ISstream.H"
@@ -283,11 +283,10 @@ public:
         (
             const char* buffer,
             size_t nbytes,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UIListStream(buffer, nbytes, IOstreamOption(fmt, ver))
+            UIListStream(buffer, nbytes, IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a List and number of bytes
@@ -295,11 +294,10 @@ public:
         (
             const UList<char>& buffer,
             size_t nbytes,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UIListStream(buffer.cdata(), nbytes, IOstreamOption(fmt, ver))
+            UIListStream(buffer.cdata(), nbytes, IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a List and its inherent storage size
@@ -307,11 +305,10 @@ public:
         UIListStream
         (
             const UList<char>& buf,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UIListStream(buf.cdata(), buf.size(), IOstreamOption(fmt, ver))
+            UIListStream(buf.cdata(), buf.size(), IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/db/IOstreams/memory/UOListStream.H b/src/OpenFOAM/db/IOstreams/memory/UOListStream.H
index 3e8c78226ae7972740cf9878110a4f3b7f1e06c1..d97051544395ec8092ba9d0656a4e11025f340ed 100644
--- a/src/OpenFOAM/db/IOstreams/memory/UOListStream.H
+++ b/src/OpenFOAM/db/IOstreams/memory/UOListStream.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2016-2021 OpenCFD Ltd.
+    Copyright (C) 2016-2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -79,8 +79,8 @@ See Also
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef UOListStream_H
-#define UOListStream_H
+#ifndef Foam_UOListStream_H
+#define Foam_UOListStream_H
 
 #include "DynamicList.H"
 #include "FixedList.H"
@@ -262,11 +262,10 @@ public:
         (
             char* buffer,
             size_t nbytes,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UOListStream(buffer, nbytes, IOstreamOption(fmt, ver))
+            UOListStream(buffer, nbytes, IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a List and number of bytes
@@ -274,22 +273,20 @@ public:
         (
             UList<char>& buffer,
             size_t nbytes,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UOListStream(buffer.data(), nbytes, IOstreamOption(fmt, ver))
+            UOListStream(buffer.data(), nbytes, IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a List and its inherent storage size
         UOListStream
         (
             UList<char>& buffer,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UOListStream(buffer.data(), buffer.size(), IOstreamOption(fmt, ver))
+            UOListStream(buffer.data(), buffer.size(), IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a FixedList
@@ -297,11 +294,10 @@ public:
         UOListStream
         (
             FixedList<char, N>& buffer,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UOListStream(buffer.data(), N, IOstreamOption(fmt, ver))
+            UOListStream(buffer.data(), N, IOstreamOption(fmt))
         {}
 
         //- Construct using data area from a DynamicList and its capacity
@@ -309,11 +305,10 @@ public:
         UOListStream
         (
             DynamicList<char,SizeMin>& buf,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion
+            IOstreamOption::streamFormat fmt
         )
         :
-            UOListStream(buf.data(), buf.capacity(), IOstreamOption(fmt, ver))
+            UOListStream(buf.data(), buf.capacity(), IOstreamOption(fmt))
         {}
 
     #endif /* Foam_IOstream_extras */
diff --git a/src/OpenFOAM/global/fileOperations/collatedFileOperation/threadedCollatedOFstream.H b/src/OpenFOAM/global/fileOperations/collatedFileOperation/threadedCollatedOFstream.H
index 1469ed5c319fee80af07570432f776435d865d51..df703371a2f0c17881e1af1f3284c8e045988258 100644
--- a/src/OpenFOAM/global/fileOperations/collatedFileOperation/threadedCollatedOFstream.H
+++ b/src/OpenFOAM/global/fileOperations/collatedFileOperation/threadedCollatedOFstream.H
@@ -35,8 +35,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef threadedCollatedOFstream_H
-#define threadedCollatedOFstream_H
+#ifndef Foam_threadedCollatedOFstream_H
+#define Foam_threadedCollatedOFstream_H
 
 #include "dictionary.H"
 #include "StringStream.H"
@@ -94,32 +94,6 @@ public:
 
         //- Define the header entries for the data block(s)
         void setHeaderEntries(const dictionary& dict);
-
-
-    // Additional constructors and methods (as per v2012 and earlier)
-    #ifdef Foam_IOstream_extras
-
-        //- Construct and set stream status
-        threadedCollatedOFstream
-        (
-            OFstreamCollator& writer,
-            const fileName& pathname,
-            IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
-            IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED,
-            const bool useThread = true
-        )
-        :
-            threadedCollatedOFstream
-            (
-                writer,
-                pathname,
-                IOstreamOption(fmt, ver, cmp),
-                useThread
-            )
-        {}
-
-    #endif /* Foam_IOstream_extras */
 };
 
 
diff --git a/src/conversion/fire/FIREMeshWriter.C b/src/conversion/fire/FIREMeshWriter.C
index 9b012312ffb0fca7c01f5ba6d023304a5e2c99b7..4476e6db6f249fe967aa4e1e8f4935fd56f81afc 100644
--- a/src/conversion/fire/FIREMeshWriter.C
+++ b/src/conversion/fire/FIREMeshWriter.C
@@ -255,8 +255,15 @@ Foam::fileFormats::FIREMeshWriter::FIREMeshWriter
 
 bool Foam::fileFormats::FIREMeshWriter::write(const fileName& meshName) const
 {
-    bool useBinary   = binary;
-    bool useCompress = compress;
+    IOstreamOption streamOpt;
+    if (binary)
+    {
+        streamOpt.format(IOstreamOption::BINARY);
+    }
+    if (compress)
+    {
+        streamOpt.compression(IOstreamOption::COMPRESSED);
+    }
 
     fileName baseName(meshName);
     if (baseName.empty())
@@ -281,25 +288,38 @@ bool Foam::fileFormats::FIREMeshWriter::write(const fileName& meshName) const
         if (FIRECore::file3dExtensions.found(ext))
         {
             FIRECore::fileExt3d fireFileType = FIRECore::file3dExtensions[ext];
+
             if (fireFileType == FIRECore::fileExt3d::POLY_ASCII)
             {
-                useBinary   = false;
-                useCompress = false;
+                streamOpt = IOstreamOption
+                (
+                    IOstreamOption::ASCII,
+                    IOstreamOption::UNCOMPRESSED
+                );
             }
             else if (fireFileType == FIRECore::fileExt3d::POLY_BINARY)
             {
-                useBinary   = true;
-                useCompress = false;
+                streamOpt = IOstreamOption
+                (
+                    IOstreamOption::BINARY,
+                    IOstreamOption::UNCOMPRESSED
+                );
             }
             else if (fireFileType == FIRECore::fileExt3d::POLY_ASCII_Z)
             {
-                useBinary   = false;
-                useCompress = true;
+                streamOpt = IOstreamOption
+                (
+                    IOstreamOption::ASCII,
+                    IOstreamOption::COMPRESSED
+                );
             }
             else if (fireFileType == FIRECore::fileExt3d::POLY_BINARY_Z)
             {
-                useBinary   = true;
-                useCompress = true;
+                streamOpt = IOstreamOption
+                (
+                    IOstreamOption::BINARY,
+                    IOstreamOption::COMPRESSED
+                );
             }
         }
 
@@ -312,30 +332,19 @@ bool Foam::fileFormats::FIREMeshWriter::write(const fileName& meshName) const
     const fileName filename = FIRECore::fireFileName
     (
         baseName,
-        useBinary ? FIRECore::POLY_BINARY : FIRECore::POLY_ASCII
-    );
-
-    autoPtr<OFstream> osPtr
-    (
-        new OFstream
         (
-            filename,
-            (
-                useBinary
-              ? IOstreamOption::BINARY : IOstreamOption::ASCII
-            ),
-            IOstreamOption::currentVersion,
-            (
-                useCompress
-              ? IOstreamOption::COMPRESSED : IOstreamOption::UNCOMPRESSED
-            )
+            streamOpt.format() == IOstreamOption::BINARY
+          ? FIRECore::POLY_BINARY
+          : FIRECore::POLY_ASCII
         )
     );
 
+    autoPtr<OFstream> osPtr(new OFstream(filename, streamOpt));
+
     if (osPtr->good())
     {
         Info<< "Writing output to ";
-        if (useCompress)
+        if (streamOpt.compression() == IOstreamOption::COMPRESSED)
         {
             // output .fpmaz instead of .fpma
             Info<< '"' << osPtr().name().c_str() << "z\"" << endl;
@@ -350,7 +359,7 @@ bool Foam::fileFormats::FIREMeshWriter::write(const fileName& meshName) const
 
         osPtr.clear();    // implicitly close the file
 
-        if (useCompress)
+        if (streamOpt.compression() == IOstreamOption::COMPRESSED)
         {
             // rename .fpma.gz -> .fpmaz
             // The '.gz' is automatically added by OFstream in compression mode
diff --git a/src/fileFormats/obj/OBJstream.H b/src/fileFormats/obj/OBJstream.H
index a476335ba41d43d227f839e0578f67f29f224f51..7ab96b146a72adf96b6256f0494bc13d4f8c5ea0 100644
--- a/src/fileFormats/obj/OBJstream.H
+++ b/src/fileFormats/obj/OBJstream.H
@@ -80,23 +80,22 @@ public:
 
     // Constructors
 
-        //- Construct from pathname
+        //- Construct from pathname (ASCII, uncompressed)
         explicit OBJstream
         (
             const fileName& pathname,
             IOstreamOption streamOpt = IOstreamOption()
         );
 
-        //- Construct from pathname
+        //- Construct from pathname, format (uncompressed)
         OBJstream
         (
             const fileName& pathname,
             IOstreamOption::streamFormat fmt,
-            IOstreamOption::versionNumber ver = IOstreamOption::currentVersion,
             IOstreamOption::compressionType cmp = IOstreamOption::UNCOMPRESSED
         )
         :
-            OBJstream(pathname, IOstreamOption(fmt, ver, cmp))
+            OBJstream(pathname, IOstreamOption(fmt, cmp))
         {}
 
 
diff --git a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchParticleHistogram/PatchParticleHistogram.C b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchParticleHistogram/PatchParticleHistogram.C
index 81836503c5e232a49d99cba6e4a55b6fc9b4644c..43b04a80c09d3204dba4ace091db7469a38c0ad9 100644
--- a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchParticleHistogram/PatchParticleHistogram.C
+++ b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchParticleHistogram/PatchParticleHistogram.C
@@ -74,7 +74,6 @@ void Foam::PatchParticleHistogram<CloudType>::write()
             (
                 this->writeTimeDir()/patchName + ".post",
                 IOstreamOption::ASCII,
-                IOstreamOption::currentVersion,
                 mesh.time().writeCompression()
             );
 
diff --git a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchPostProcessing/PatchPostProcessing.C b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchPostProcessing/PatchPostProcessing.C
index 260184ea9ac40c76a9883444dfbf89ed71a6c5b5..c5310ac0e5a21af56a1ee7c308791c92dcfdcddb 100644
--- a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchPostProcessing/PatchPostProcessing.C
+++ b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchPostProcessing/PatchPostProcessing.C
@@ -72,7 +72,6 @@ void Foam::PatchPostProcessing<CloudType>::write()
             (
                 this->writeTimeDir()/patchName + ".post",
                 IOstreamOption::ASCII,
-                IOstreamOption::currentVersion,
                 mesh.time().writeCompression()
             );