diff --git a/vp8/common/predictdc.c b/vp8/common/predictdc.c
deleted file mode 100644
index f315f50e03354264bf510e2fe0fb2d4829667566..0000000000000000000000000000000000000000
--- a/vp8/common/predictdc.c
+++ /dev/null
@@ -1,44 +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 <stdlib.h>
-#include "blockd.h"
-
-
-void vp8_predict_dc(short *lastdc, short *thisdc, short quant, short *cons)
-{
-    int diff;
-    int sign;
-    int last_dc = *lastdc;
-    int this_dc = *thisdc;
-
-    if (*cons  > DCPREDCNTTHRESH)
-    {
-        this_dc += last_dc;
-    }
-
-    diff = abs(last_dc - this_dc);
-    sign  = (last_dc >> 31) ^(this_dc >> 31);
-    sign |= (!last_dc | !this_dc);
-
-    if (sign)
-    {
-        *cons = 0;
-    }
-    else
-    {
-        if (diff <= DCPREDSIMTHRESH * quant)
-            (*cons)++ ;
-    }
-
-    *thisdc = this_dc;
-    *lastdc = this_dc;
-}
diff --git a/vp8/common/predictdc.h b/vp8/common/predictdc.h
deleted file mode 100644
index fa85968220a7dd30173ca004d0d4d3e55b8eaddc..0000000000000000000000000000000000000000
--- a/vp8/common/predictdc.h
+++ /dev/null
@@ -1,18 +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.
- */
-
-
-#ifndef __PREDICTDC_H
-#define __PREDICTDC_H
-
-void uvvp8_predict_dc(short *lastdc, short *thisdc, short quant, short *cons);
-void vp8_predict_dc(short *lastdc, short *thisdc, short quant, short *cons);
-
-#endif
diff --git a/vp8/decoder/arm/dequantize_arm.c b/vp8/decoder/arm/dequantize_arm.c
index b26af975f67d8189578003fa9fd787308b7e3eaf..d88adb729e37ebbfd69c77fbda47b56b7489d907 100644
--- a/vp8/decoder/arm/dequantize_arm.c
+++ b/vp8/decoder/arm/dequantize_arm.c
@@ -11,7 +11,6 @@
 
 #include "vpx_ports/config.h"
 #include "vp8/decoder/dequantize.h"
-#include "vp8/common/predictdc.h"
 #include "vp8/common/idct.h"
 #include "vpx_mem/vpx_mem.h"
 
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index 5769100ec5931bd71d2cbfab7343b9f77b932593..c454bbc7064c901a05881d33d83e6d2a060cdd58 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -30,7 +30,6 @@
 #include "vpx_mem/vpx_mem.h"
 #include "vp8/common/idct.h"
 #include "dequantize.h"
-#include "vp8/common/predictdc.h"
 #include "vp8/common/threading.h"
 #include "decoderthreading.h"
 #include "dboolhuff.h"
diff --git a/vp8/decoder/dequantize.c b/vp8/decoder/dequantize.c
index 4e1a5e17a286d366b2722dc9fba2eb58e002211b..dd0c13b7dc1b6f9bb3b0c5d800f14eb8de1b82c2 100644
--- a/vp8/decoder/dequantize.c
+++ b/vp8/decoder/dequantize.c
@@ -11,7 +11,6 @@
 
 #include "vpx_ports/config.h"
 #include "dequantize.h"
-#include "vp8/common/predictdc.h"
 #include "vp8/common/idct.h"
 #include "vpx_mem/vpx_mem.h"
 
diff --git a/vp8/encoder/arm/quantize_arm.c b/vp8/encoder/arm/quantize_arm.c
index 75ec205ccf16ba74486c13f6ec10bc35095fec68..0e3334ac7e21499b35c5a2283b8fa1c146525fb6 100644
--- a/vp8/encoder/arm/quantize_arm.c
+++ b/vp8/encoder/arm/quantize_arm.c
@@ -14,7 +14,6 @@
 
 #include "vp8/encoder/quantize.h"
 #include "vp8/common/entropy.h"
-#include "vp8/common/predictdc.h"
 
 DECLARE_ALIGNED(16, const short, vp8_rvsplus1_default_zig_zag1d[16]) =
 {
diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index 02b9d7bd97f404b222ea3901db6d173f1008a787..803e3a51dd156a3360b0f2bb798beff76071beae 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -14,7 +14,6 @@
 
 #include "quantize.h"
 #include "vp8/common/entropy.h"
-#include "vp8/common/predictdc.h"
 
 #define EXACT_QUANT
 
diff --git a/vp8/vp8_common.mk b/vp8/vp8_common.mk
index 822af83a4235ef8fbb091d169c522a4f5ce28ed0..56e266087b2fc25e52086c54a45337102de9b8af 100644
--- a/vp8/vp8_common.mk
+++ b/vp8/vp8_common.mk
@@ -45,7 +45,6 @@ VP8_COMMON_SRCS-yes += common/loopfilter.h
 VP8_COMMON_SRCS-yes += common/modecont.h
 VP8_COMMON_SRCS-yes += common/mv.h
 VP8_COMMON_SRCS-yes += common/onyxc_int.h
-VP8_COMMON_SRCS-yes += common/predictdc.h
 VP8_COMMON_SRCS-yes += common/quant_common.h
 VP8_COMMON_SRCS-yes += common/recon.h
 VP8_COMMON_SRCS-yes += common/reconinter.h
@@ -63,7 +62,6 @@ VP8_COMMON_SRCS-yes += common/loopfilter_filters.c
 VP8_COMMON_SRCS-yes += common/mbpitch.c
 VP8_COMMON_SRCS-yes += common/modecont.c
 VP8_COMMON_SRCS-yes += common/modecontext.c
-VP8_COMMON_SRCS-yes += common/predictdc.c
 VP8_COMMON_SRCS-yes += common/quant_common.c
 VP8_COMMON_SRCS-yes += common/recon.c
 VP8_COMMON_SRCS-yes += common/reconinter.c