diff --git a/zorg/buildbot/builders/sanitizers/buildbot_standard.sh b/zorg/buildbot/builders/sanitizers/buildbot_standard.sh
index 79e557e..aeef469 100755
--- a/zorg/buildbot/builders/sanitizers/buildbot_standard.sh
+++ b/zorg/buildbot/builders/sanitizers/buildbot_standard.sh
@@ -14,7 +14,7 @@
 TSAN_FULL_DEBUG_BUILD_DIR=tsan_full_debug_build
 TSAN_RELEASE_BUILD_DIR=tsan_release_build
 
-CLOBBER="$TSAN_DEBUG_BUILD_DIR $TSAN_FULL_DEBUG_BUILD_DIR $TSAN_RELEASE_BUILD_DIR"
+rm -rf $TSAN_DEBUG_BUILD_DIR $TSAN_FULL_DEBUG_BUILD_DIR $TSAN_RELEASE_BUILD_DIR
 clobber
 
 ROOT=`pwd`