diff --git a/docs/html/Makefile b/docs/html/Makefile
index 57e7a46a9d..cd654775ae 100644
--- a/docs/html/Makefile
+++ b/docs/html/Makefile
@@ -31,7 +31,7 @@ else
 endif
 
 clean:
-	${RM} build_lcl_docs lcl
+	${RM} build_lcl_docs lcl lazutils
 
 htmlinstall chminstall:
 	install -d ${INSTALL_DOCDIR}