diff --git a/src/OpenFOAM/global/argList/argList.C b/src/OpenFOAM/global/argList/argList.C
index 2001bb0a848aca9dd6f8ae139cbded20556ff13b..fff52458abb43f3ec203b0e957d72b3cfcef4373 100644
--- a/src/OpenFOAM/global/argList/argList.C
+++ b/src/OpenFOAM/global/argList/argList.C
@@ -81,11 +81,6 @@ Foam::argList::initValidTables::initValidTables()
         "decomposeParDict", "file",
         "read decomposePar dictionary from specified location"
     );
-    validParOptions.set
-    (
-        "decomposeParDict",
-        "file"
-    );
 
     argList::addBoolOption
     (