diff --git a/configure.ac b/configure.ac
index 64816271e1f..b0e2b4c3844 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1546,6 +1546,7 @@ strip_unwanted_llvm_flags() {
 	-e 's/-O.\>//g' \
 	-e 's/-g\>//g' \
 	-e 's/-Wall\>//g' \
+	-e 's/-fcolor-diagnostics\>//g' \
 	-e 's/-fomit-frame-pointer\>//g'
 }