diff --git a/src/complain.h b/src/complain.h
index e8c26d16..276164cf 100644
--- a/src/complain.h
+++ b/src/complain.h
@@ -21,10 +21,6 @@
 
 # include "location.h"
 
-# ifdef __cplusplus
-extern "C" {
-# endif
-
 /*-------------.
 | --warnings.  |
 `-------------*/
@@ -74,8 +70,4 @@ void complain_at_indent (location loc, warnings flags, unsigned *indent,
 /** Whether an error was reported.  */
 extern bool complaint_issued;
 
-# ifdef __cplusplus
-}
-# endif
-
 #endif /* !COMPLAIN_H_ */