diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 0991743..27a83a2 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -292,7 +292,8 @@
            -iname CMakeFiles -exec rm -rf {} \+ -o \
            \( -iname cmake_install.cmake -o \
               -iname CTestTestfile.cmake -o \
-              -iname CMakeCache.txt \) -exec rm -f {} \+
+              -iname CMakeCache.txt -o \
+              -path './cmake/*.cmake' \) -exec rm -f {} \+
     # Recover files overwritten by in-tree CMake builds
     rm -f include/Makefile include/mbedtls/Makefile programs/*/Makefile