diff --git a/build-scripts/test-versioning.sh b/build-scripts/test-versioning.sh
index ed7771516..ab972ffdf 100755
--- a/build-scripts/test-versioning.sh
+++ b/build-scripts/test-versioning.sh
@@ -69,28 +69,6 @@ else
     not_ok "android-project/app/src/main/java/org/libsdl/app/SDLActivity.java $version disagrees with SDL_version.h $ref_version"
 fi
 
-major=$(sed -ne 's/^MAJOR_VERSION *= *//p' Makefile.os2)
-minor=$(sed -ne 's/^MINOR_VERSION *= *//p' Makefile.os2)
-micro=$(sed -ne 's/^MICRO_VERSION *= *//p' Makefile.os2)
-version="${major}.${minor}.${micro}"
-
-if [ "$ref_version" = "$version" ]; then
-    ok "Makefile.os2 $version"
-else
-    not_ok "Makefile.os2 $version disagrees with SDL_version.h $ref_version"
-fi
-
-major=$(sed -ne 's/^MAJOR_VERSION *= *//p' Makefile.w32)
-minor=$(sed -ne 's/^MINOR_VERSION *= *//p' Makefile.w32)
-micro=$(sed -ne 's/^MICRO_VERSION *= *//p' Makefile.w32)
-version="${major}.${minor}.${micro}"
-
-if [ "$ref_version" = "$version" ]; then
-    ok "Makefile.w32 $version"
-else
-    not_ok "Makefile.w32 $version disagrees with SDL_version.h $ref_version"
-fi
-
 tuple=$(sed -ne 's/^ *FILEVERSION *//p' src/main/windows/version.rc | tr -d '\r')
 ref_tuple="${ref_major},${ref_minor},${ref_micro},0"
 
diff --git a/build-scripts/update-version.sh b/build-scripts/update-version.sh
index 9b25c2afc..524f81577 100755
--- a/build-scripts/update-version.sh
+++ b/build-scripts/update-version.sh
@@ -66,14 +66,6 @@ perl -w -pi -e 's/\A(.* SDL_MAJOR_VERSION = )\d+/${1}'$MAJOR'/;' android-project
 perl -w -pi -e 's/\A(.* SDL_MINOR_VERSION = )\d+/${1}'$MINOR'/;' android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
 perl -w -pi -e 's/\A(.* SDL_MICRO_VERSION = )\d+/${1}'$PATCH'/;' android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
 
-perl -w -pi -e 's/\A(MAJOR_VERSION\s*=\s*)\d+/${1}'$MAJOR'/;' Makefile.os2
-perl -w -pi -e 's/\A(MINOR_VERSION\s*=\s*)\d+/${1}'$MINOR'/;' Makefile.os2
-perl -w -pi -e 's/\A(MICRO_VERSION\s*=\s*)\d+/${1}'$PATCH'/;' Makefile.os2
-
-perl -w -pi -e 's/\A(MAJOR_VERSION\s*=\s*)\d+/${1}'$MAJOR'/;' Makefile.w32
-perl -w -pi -e 's/\A(MINOR_VERSION\s*=\s*)\d+/${1}'$MINOR'/;' Makefile.w32
-perl -w -pi -e 's/\A(MICRO_VERSION\s*=\s*)\d+/${1}'$PATCH'/;' Makefile.w32
-
 perl -w -pi -e 's/(\#define SDL_MAJOR_VERSION\s+)\d+/${1}'$MAJOR'/;' include/SDL_version.h
 perl -w -pi -e 's/(\#define SDL_MINOR_VERSION\s+)\d+/${1}'$MINOR'/;' include/SDL_version.h
 perl -w -pi -e 's/(\#define SDL_PATCHLEVEL\s+)\d+/${1}'$PATCH'/;' include/SDL_version.h