diff --git a/vp9/decoder/vp9_dequantize.h b/vp9/decoder/vp9_dequantize.h
index bde27bb7aca1ebd627a08227190a3553491e55c5..933108dae1a01989a648d71ff76ac6c9cf8b3517 100644
--- a/vp9/decoder/vp9_dequantize.h
+++ b/vp9/decoder/vp9_dequantize.h
@@ -59,38 +59,4 @@ void vp9_ht_dequant_idct_add_16x16_c(TX_TYPE tx_type, int16_t *input,
                                      unsigned char *dest,
                                      int pitch, int stride, int eob);
 
-void vp9_dequant_dc_idct_add_y_block_8x8_inplace_c(int16_t *q, const int16_t *dq,
-                                                   unsigned char *dst,
-                                                   int stride,
-                                                   const int16_t *dc,
-                                                   MACROBLOCKD *xd);
-
-void vp9_dequant_idct_add_y_block_8x8_inplace_c(int16_t *q, const int16_t *dq,
-                                                unsigned char *dst,
-                                                int stride,
-                                                MACROBLOCKD *xd);
-
-void vp9_dequant_dc_idct_add_y_block_4x4_inplace_c(int16_t *q, const int16_t *dq,
-                                                   unsigned char *dst,
-                                                   int stride,
-                                                   const int16_t *dc,
-                                                   MACROBLOCKD *xd);
-
-void vp9_dequant_idct_add_y_block_4x4_inplace_c(int16_t *q, const int16_t *dq,
-                                                unsigned char *dst,
-                                                int stride,
-                                                MACROBLOCKD *xd);
-
-void vp9_dequant_idct_add_uv_block_8x8_inplace_c(int16_t *q, const int16_t *dq,
-                                                 unsigned char *dstu,
-                                                 unsigned char *dstv,
-                                                 int stride,
-                                                 MACROBLOCKD *xd);
-
-void vp9_dequant_idct_add_uv_block_4x4_inplace_c(int16_t *q, const int16_t *dq,
-                                                 unsigned char *dstu,
-                                                 unsigned char *dstv,
-                                                 int stride,
-                                                 MACROBLOCKD *xd);
-
 #endif  // VP9_DECODER_VP9_DEQUANTIZE_H_
diff --git a/vp9/decoder/vp9_idct_blk.c b/vp9/decoder/vp9_idct_blk.c
index b17955b1caa8d57cb861561693d43accfb3336a2..d74b61919205e23479d12cb014a0301eb7323d5a 100644
--- a/vp9/decoder/vp9_idct_blk.c
+++ b/vp9/decoder/vp9_idct_blk.c
@@ -12,24 +12,6 @@
 #include "vp9/common/vp9_blockd.h"
 #include "vp9/decoder/vp9_dequantize.h"
 
-void vp9_dequant_idct_add_y_block_4x4_inplace_c(int16_t *q,
-                                                const int16_t *dq,
-                                                uint8_t *dst,
-                                                int stride,
-                                                MACROBLOCKD *xd) {
-  int i, j;
-
-  for (i = 0; i < 4; i++) {
-    for (j = 0; j < 4; j++) {
-      xd->itxm_add(q, dq, dst, dst, stride, stride, xd->eobs[i * 4 + j]);
-      q   += 16;
-      dst += 4;
-    }
-
-    dst += 4 * stride - 16;
-  }
-}
-
 void vp9_dequant_idct_add_y_block_c(int16_t *q, const int16_t *dq,
                                     uint8_t *pre,
                                     uint8_t *dst,
@@ -82,53 +64,6 @@ void vp9_dequant_idct_add_uv_block_c(int16_t *q, const int16_t *dq,
   }
 }
 
-void vp9_dequant_idct_add_uv_block_4x4_inplace_c(int16_t *q, const int16_t *dq,
-                                                 uint8_t *dstu,
-                                                 uint8_t *dstv,
-                                                 int stride,
-                                                 MACROBLOCKD *xd) {
-  int i, j;
-
-  for (i = 0; i < 2; i++) {
-    for (j = 0; j < 2; j++) {
-      xd->itxm_add(q, dq, dstu, dstu, stride, stride, xd->eobs[16 + i * 2 + j]);
-      q    += 16;
-      dstu += 4;
-    }
-
-    dstu += 4 * stride - 8;
-  }
-
-  for (i = 0; i < 2; i++) {
-    for (j = 0; j < 2; j++) {
-      xd->itxm_add(q, dq, dstv, dstv, stride, stride, xd->eobs[20 + i * 2 + j]);
-      q    += 16;
-      dstv += 4;
-    }
-
-    dstv += 4 * stride - 8;
-  }
-}
-
-void vp9_dequant_idct_add_y_block_8x8_inplace_c(int16_t *q,
-                                                const int16_t *dq,
-                                                uint8_t *dst,
-                                                int stride,
-                                                MACROBLOCKD *xd) {
-  vp9_dequant_idct_add_8x8_c(q, dq, dst, dst, stride, stride, xd->eobs[0]);
-
-  vp9_dequant_idct_add_8x8_c(&q[64], dq, dst + 8,
-                             dst + 8, stride, stride, xd->eobs[4]);
-
-  vp9_dequant_idct_add_8x8_c(&q[128], dq, dst + 8 * stride,
-                             dst + 8 * stride, stride, stride,
-                             xd->eobs[8]);
-
-  vp9_dequant_idct_add_8x8_c(&q[192], dq, dst + 8 * stride + 8,
-                             dst + 8 * stride + 8, stride, stride,
-                             xd->eobs[12]);
-}
-
 void vp9_dequant_idct_add_y_block_8x8_c(int16_t *q, const int16_t *dq,
                                         uint8_t *pre,
                                         uint8_t *dst,
@@ -160,20 +95,6 @@ void vp9_dequant_idct_add_uv_block_8x8_c(int16_t *q, const int16_t *dq,
   vp9_dequant_idct_add_8x8_c(q, dq, pre, dstv, 8, stride, xd->eobs[20]);
 }
 
-void vp9_dequant_idct_add_uv_block_8x8_inplace_c(int16_t *q, const int16_t *dq,
-                                                 uint8_t *dstu,
-                                                 uint8_t *dstv,
-                                                 int stride,
-                                                 MACROBLOCKD *xd) {
-  vp9_dequant_idct_add_8x8_c(q, dq, dstu, dstu, stride, stride,
-                             xd->eobs[16]);
-
-  q += 64;
-  vp9_dequant_idct_add_8x8_c(q, dq, dstv, dstv, stride, stride,
-                             xd->eobs[20]);
-}
-
-
 void vp9_dequant_idct_add_y_block_lossless_c(int16_t *q, const int16_t *dq,
                                              uint8_t *pre,
                                              uint8_t *dst,