diff --git a/bin/tools/CleanFunctions b/bin/tools/CleanFunctions
index 1ada431b20582cec53fbca9eda74458466f2ee9b..b140bf246bb35966f4b2491a929b27ba481724a4 100644
--- a/bin/tools/CleanFunctions
+++ b/bin/tools/CleanFunctions
@@ -65,6 +65,7 @@ cleanCase()
     rm -rf processor* > /dev/null 2>&1
     rm -rf probes* > /dev/null 2>&1
     rm -rf forces* > /dev/null 2>&1
+    rm -rf sets > /dev/null 2>&1
     rm -rf system/machines > /dev/null 2>&1
     (cd constant/polyMesh && \
         rm -rf \