diff --git a/mingw-w64-headers/include/math.h b/mingw-w64-headers/include/math.h
index 47e52db..8398883 100644
--- a/mingw-w64-headers/include/math.h
+++ b/mingw-w64-headers/include/math.h
@@ -624,9 +624,9 @@
 extern long __cdecl lrintf (float);
 extern long __cdecl lrintl (long double);
 
-extern __MINGW_EXTENSION long long __cdecl llrint (double);
-extern __MINGW_EXTENSION long long __cdecl llrintf (float);
-extern __MINGW_EXTENSION long long __cdecl llrintl (long double);
+__MINGW_EXTENSION long long __cdecl llrint (double);
+__MINGW_EXTENSION long long __cdecl llrintf (float);
+__MINGW_EXTENSION long long __cdecl llrintl (long double);
 
 /* Inline versions of above. 
    GCC 4.0+ can do a better fast-math job with __builtins. */
@@ -714,9 +714,9 @@
   extern long __cdecl lround (double);
   extern long __cdecl lroundf (float);
   extern long __cdecl lroundl (long double);
-  extern __MINGW_EXTENSION long long __cdecl llround (double);
-  extern __MINGW_EXTENSION long long __cdecl llroundf (float);
-  extern __MINGW_EXTENSION long long __cdecl llroundl (long double);
+  __MINGW_EXTENSION long long __cdecl llround (double);
+  __MINGW_EXTENSION long long __cdecl llroundf (float);
+  __MINGW_EXTENSION long long __cdecl llroundl (long double);
   
 /* 7.12.9.8 */
 /* round towards zero, regardless of fpu control word settings */