diff --git a/vp8/encoder/encodeframe.c b/vp8/encoder/encodeframe.c
index ab4071d35a2c9d63a28b1205565c39154b01d401..d9c678b84d5afc47bf4d287f5a8263a45094600d 100644
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -1188,7 +1188,7 @@ int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)
                 (&x->e_mbd);
             distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);
             rate2  = x->mbmode_cost[x->e_mbd.frame_type][mode];
-            this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+            this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
 
             if (Error16x16 > this_rd)
             {
diff --git a/vp8/encoder/encodemb.c b/vp8/encoder/encodemb.c
index 463dbcaa92c72bd7c499a2643347c5f4bcfd8899..bb11ab072de73d3b3ca705e8a25278189bb80505 100644
--- a/vp8/encoder/encodemb.c
+++ b/vp8/encoder/encodemb.c
@@ -19,6 +19,7 @@
 #include "vp8/common/reconintra.h"
 #include "dct.h"
 #include "vpx_mem/vpx_mem.h"
+#include "rdopt.h"
 
 #if CONFIG_RUNTIME_CPU_DETECT
 #define IF_RTCD(x) (x)
@@ -230,7 +231,6 @@ void vp8_stuff_inter16x16(MACROBLOCK *x)
 }
 
 #if !(CONFIG_REALTIME_ONLY)
-#define RDCOST(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) )
 #define RDTRUNC(RM,DM,R,D) ( (128+(R)*(RM)) & 0xFF )
 
 typedef struct vp8_token_state vp8_token_state;
diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index 0759e2d5bb9308d154b37bd04521662c2aae9c15..1a32f36c9478fb3d36616f0ecac04cc0586c52cf 100644
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -194,7 +194,7 @@ static int pick_intra4x4block(
         rate = mode_costs[mode];
         vp8_predict_intra4x4(b, mode, b->predictor);
         distortion = get_prediction_error(be, b, &rtcd->variance);
-        this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate, distortion);
+        this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
 
         if (this_rd < best_rd)
         {
@@ -252,7 +252,7 @@ int vp8_pick_intra4x4mby_modes(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb, int
     if (i == 16)
     {
         *best_dist = distortion;
-        error = RD_ESTIMATE(mb->rdmult, mb->rddiv, cost, distortion);
+        error = RDCOST(mb->rdmult, mb->rddiv, cost, distortion);
     }
     else
     {
@@ -643,7 +643,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int re
             }
             else
             {
-                this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+                this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
 
                 if (this_rd < best_intra_rd)
                 {
@@ -667,7 +667,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int re
                 (&x->e_mbd);
             distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);
             rate2 += x->mbmode_cost[x->e_mbd.frame_type][x->e_mbd.mode_info_context->mbmi.mode];
-            this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+            this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
 
             if (this_rd < best_intra_rd)
             {
@@ -813,7 +813,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int re
 
             distortion2 = get_inter_mbpred_error(x, &cpi->fn_ptr[BLOCK_16X16], (unsigned int *)(&sse));
 
-            this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+            this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
 
             if (cpi->active_map_enabled && x->active_ptr[0] == 0)
             {
diff --git a/vp8/encoder/pickinter.h b/vp8/encoder/pickinter.h
index 8fea983973fbf0d39033517b3f3f98284deac5c2..f96fc5376a14081b127312db32851fb6f8d7dffc 100644
--- a/vp8/encoder/pickinter.h
+++ b/vp8/encoder/pickinter.h
@@ -14,7 +14,6 @@
 #include "vpx_ports/config.h"
 #include "vp8/common/onyxc_int.h"
 
-#define RD_ESTIMATE(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) )
 extern int vp8_pick_intra4x4mby_modes(const VP8_ENCODER_RTCD *, MACROBLOCK *mb, int *Rate, int *Distortion);
 extern void vp8_pick_intra_mbuv_mode(MACROBLOCK *mb);
 extern void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion, int *returnintra);
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index 863b6d419882c1dd4e1c1862ffa11839a751ad7a..ef9cce93fbe12bcac112db87dac0563f9a248e72 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -31,7 +31,7 @@
 #include "vp8/common/g_common.h"
 #include "variance.h"
 #include "mcomp.h"
-
+#include "rdopt.h"
 #include "vpx_mem/vpx_mem.h"
 #include "dct.h"
 #include "vp8/common/systemdependent.h"
@@ -46,13 +46,8 @@
 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
 extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);
 
-
-#define RDCOST(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) )
-
 #define MAXF(a,b)            (((a) > (b)) ? (a) : (b))
 
-
-
 static const int auto_speed_thresh[17] =
 {
     1000,
diff --git a/vp8/encoder/rdopt.h b/vp8/encoder/rdopt.h
index 1d1be11a4744a8aeca93248ee7d8ba930ed56405..1d5f9a3a807a0ba52a8b443efb6d453232a4ca69 100644
--- a/vp8/encoder/rdopt.h
+++ b/vp8/encoder/rdopt.h
@@ -11,6 +11,9 @@
 
 #ifndef __INC_RDOPT_H
 #define __INC_RDOPT_H
+
+#define RDCOST(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) )
+
 extern void vp8_initialize_rd_consts(VP8_COMP *cpi, int Qvalue);
 extern int vp8_rd_pick_intra4x4mby_modes(VP8_COMP *cpi, MACROBLOCK *mb, int *rate, int *rate_to, int *distortion, int best_rd);
 extern int vp8_rd_pick_intra16x16mby_mode(VP8_COMP *cpi, MACROBLOCK *x, int *returnrate, int *rate_to, int *returndistortion);