diff --git a/libavutil/intmath.h b/libavutil/intmath.h
index 1be96da933..ba198c942c 100644
--- a/libavutil/intmath.h
+++ b/libavutil/intmath.h
@@ -34,8 +34,6 @@ extern const uint32_t ff_inverse[257];
 
 #if   ARCH_ARM
 #   include "arm/intmath.h"
-#elif ARCH_X86
-#   include "x86/intmath.h"
 #endif
 
 #if HAVE_FAST_CLZ && AV_GCC_VERSION_AT_LEAST(3,4)
diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h
deleted file mode 100644
index b23c0f1bd0..0000000000
--- a/libavutil/x86/intmath.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVUTIL_X86_INTMATH_H
-#define AVUTIL_X86_INTMATH_H
-
-#if HAVE_INLINE_ASM
-#define FASTDIV(a,b) \
-    ({\
-        int ret, dmy;\
-        __asm__ volatile(\
-            "mull %3"\
-            :"=d"(ret), "=a"(dmy)\
-            :"1"(a), "g"(ff_inverse[b])\
-            );\
-        ret;\
-    })
-#endif
-
-#endif /* AVUTIL_X86_INTMATH_H */