diff --git a/danio_gcc.sh b/danio_gcc.sh
index 1b7efc8..2ae4480 100755
--- a/danio_gcc.sh
+++ b/danio_gcc.sh
@@ -104,7 +104,9 @@ test_gcc()
 	fi
 }
 
-
+if [ -n "${clean}" ]; then
+	rm -rf build-*
+fi
 if ! download; then
 	echo "STAGE=${TARGET} MSG='at \"download_n_extract\" section'" >.error
 	exit 1