diff --git a/Makefile.am b/Makefile.am
index 8544a0c0..7450c846 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -134,7 +134,6 @@ install:
 clean:
 	GOPATH=$(GOPATH) $(GO) clean -i $(PKG)
 	rm -rf $(CURDIR)/pkg
-	rm -rf $(CURDIR)/static/css
 	rm -rf $(CURDIR)/static/fonts
 	rm -rf $(CURDIR)/build/out