diff --git a/tools/postinstall-fixup/CMakeLists.txt b/tools/postinstall-fixup/CMakeLists.txt
index 790ea2ee2ae..73af20475b4 100644
--- a/tools/postinstall-fixup/CMakeLists.txt
+++ b/tools/postinstall-fixup/CMakeLists.txt
@@ -1,5 +1,5 @@
 # Post-install scripts
-if(NOT SOFA_BUILD_RELEASE_PACKAGE)
+if(NOT SOFA_BUILD_RELEASE_PACKAGE AND NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
     return()
 endif()
 
diff --git a/tools/postinstall-fixup/windows-postinstall-fixup.sh b/tools/postinstall-fixup/windows-postinstall-fixup.sh
index cd05dde105b..a09cec488a7 100644
--- a/tools/postinstall-fixup/windows-postinstall-fixup.sh
+++ b/tools/postinstall-fixup/windows-postinstall-fixup.sh
@@ -33,8 +33,3 @@ move_metis "$INSTALL_DIR"
 cd "$INSTALL_DIR" && find -name "*.dll" -path "*/plugins/*" | while read lib; do
     cp "$lib" "$INSTALL_DIR_BIN"
 done
-
-# Copy all collection libs in install/bin to make them easily findable
-cd "$INSTALL_DIR" && find -name "*.dll" -path "*/collections/*" | while read lib; do
-    cp "$lib" "$INSTALL_DIR_BIN"
-done