diff --git a/vpx_ports/vpx_ports.mk b/vpx_ports/vpx_ports.mk
index e6cb52fb4..869a204fb 100644
--- a/vpx_ports/vpx_ports.mk
+++ b/vpx_ports/vpx_ports.mk
@@ -19,7 +19,6 @@ ifeq ($(ARCH_X86)$(ARCH_X86_64),yes)
 PORTS_SRCS-$(BUILD_LIBVPX) += emms.asm
 PORTS_SRCS-$(BUILD_LIBVPX) += x86.h
 PORTS_SRCS-$(BUILD_LIBVPX) += x86_abi_support.asm
-PORTS_SRCS-$(BUILD_LIBVPX) += x86_cpuid.c
 endif
 
 PORTS_SRCS-$(ARCH_ARM) += arm_cpudetect.c
diff --git a/vpx_ports/x86.h b/vpx_ports/x86.h
index 603e2b66c..bc99f89d8 100644
--- a/vpx_ports/x86.h
+++ b/vpx_ports/x86.h
@@ -168,8 +168,6 @@ x86_simd_caps(void) {
   return flags & mask;
 }
 
-vpx_cpu_t vpx_x86_vendor(void);
-
 #if ARCH_X86_64 && defined(_MSC_VER)
 unsigned __int64 __rdtsc(void);
 #pragma intrinsic(__rdtsc)
diff --git a/vpx_ports/x86_cpuid.c b/vpx_ports/x86_cpuid.c
deleted file mode 100644
index 02d382c5d..000000000
--- a/vpx_ports/x86_cpuid.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <string.h>
-#include "x86.h"
-
-struct cpuid_vendors {
-  char vendor_string[12];
-  vpx_cpu_t vendor_id;
-};
-
-static struct cpuid_vendors cpuid_vendor_list[VPX_CPU_LAST] = {
-  { "AuthenticAMD", VPX_CPU_AMD           },
-  { "AMDisbetter!", VPX_CPU_AMD_OLD       },
-  { "CentaurHauls", VPX_CPU_CENTAUR       },
-  { "CyrixInstead", VPX_CPU_CYRIX         },
-  { "GenuineIntel", VPX_CPU_INTEL         },
-  { "NexGenDriven", VPX_CPU_NEXGEN        },
-  { "Geode by NSC", VPX_CPU_NSC           },
-  { "RiseRiseRise", VPX_CPU_RISE          },
-  { "SiS SiS SiS ", VPX_CPU_SIS           },
-  { "GenuineTMx86", VPX_CPU_TRANSMETA     },
-  { "TransmetaCPU", VPX_CPU_TRANSMETA_OLD },
-  { "UMC UMC UMC ", VPX_CPU_UMC           },
-  { "VIA VIA VIA ", VPX_CPU_VIA           },
-};
-
-vpx_cpu_t vpx_x86_vendor(void) {
-  unsigned int reg_eax;
-  unsigned int vs[3];
-  int i;
-
-  /* Get the Vendor String from the CPU */
-  cpuid(0, 0, reg_eax, vs[0], vs[2], vs[1]);
-
-  for (i = 0; i < VPX_CPU_LAST; i++) {
-    if (strncmp((const char *)vs, cpuid_vendor_list[i].vendor_string, 12) == 0)
-      return (cpuid_vendor_list[i].vendor_id);
-  }
-
-  return VPX_CPU_UNKNOWN;
-}