diff --git a/usr/include/headers_check.pl b/usr/include/headers_check.pl
index 2b70bfa5558e..36307a137cc1 100755
--- a/usr/include/headers_check.pl
+++ b/usr/include/headers_check.pl
@@ -98,9 +98,8 @@ sub check_asm_types
 	if ($line =~ m/^\s*#\s*include\s+<asm\/types.h>/) {
 		$linux_asm_types = 1;
 		printf STDERR "$filename:$lineno: " .
-		"include of <linux/types.h> is preferred over <asm/types.h>\n"
-		# Warn until headers are all fixed
-		#$ret = 1;
+		"include of <linux/types.h> is preferred over <asm/types.h>\n";
+		$ret = 1;
 	}
 }