diff --git a/testcases/check_configtool.sh b/testcases/check_configtool.sh
index 29a7a81..0d908ff 100755
--- a/testcases/check_configtool.sh
+++ b/testcases/check_configtool.sh
@@ -33,3 +33,5 @@ git ls-files "config/*.h" | while read IN; do
     exit 1
   fi
 done
+
+rm -rf "${OUTDIR}"