diff --git a/vp9/common/x86/vp9_highbd_iht8x8_add_sse4.c b/vp9/common/x86/vp9_highbd_iht8x8_add_sse4.c
index bc07518c2..7d949b6db 100644
--- a/vp9/common/x86/vp9_highbd_iht8x8_add_sse4.c
+++ b/vp9/common/x86/vp9_highbd_iht8x8_add_sse4.c
@@ -204,12 +204,12 @@ void vp9_highbd_iht8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     io_short[7] = _mm_packs_epi32(io[11], io[15]);
 
     if (tx_type == DCT_DCT || tx_type == ADST_DCT) {
-      idct8_sse2(io_short);
+      vpx_idct8_sse2(io_short);
     } else {
       iadst8_sse2(io_short);
     }
     if (tx_type == DCT_DCT || tx_type == DCT_ADST) {
-      idct8_sse2(io_short);
+      vpx_idct8_sse2(io_short);
     } else {
       iadst8_sse2(io_short);
     }
@@ -218,8 +218,8 @@ void vp9_highbd_iht8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     __m128i temp[4];
 
     if (tx_type == DCT_DCT || tx_type == ADST_DCT) {
-      highbd_idct8x8_half1d(io);
-      highbd_idct8x8_half1d(&io[8]);
+      vpx_highbd_idct8x8_half1d_sse4_1(io);
+      vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
     } else {
       highbd_iadst8_sse4_1(io);
       highbd_iadst8_sse4_1(&io[8]);
@@ -235,12 +235,12 @@ void vp9_highbd_iht8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     io[7] = io[11];
 
     if (tx_type == DCT_DCT || tx_type == DCT_ADST) {
-      highbd_idct8x8_half1d(io);
+      vpx_highbd_idct8x8_half1d_sse4_1(io);
       io[8] = temp[0];
       io[9] = temp[1];
       io[10] = temp[2];
       io[11] = temp[3];
-      highbd_idct8x8_half1d(&io[8]);
+      vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
     } else {
       highbd_iadst8_sse4_1(io);
       io[8] = temp[0];
diff --git a/vp9/common/x86/vp9_idct_intrin_sse2.c b/vp9/common/x86/vp9_idct_intrin_sse2.c
index 6996260e2..95dad919e 100644
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -68,16 +68,16 @@ void vp9_iht8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride,
 
   switch (tx_type) {
     case 0:  // DCT_DCT
-      idct8_sse2(in);
-      idct8_sse2(in);
+      vpx_idct8_sse2(in);
+      vpx_idct8_sse2(in);
       break;
     case 1:  // ADST_DCT
-      idct8_sse2(in);
+      vpx_idct8_sse2(in);
       iadst8_sse2(in);
       break;
     case 2:  // DCT_ADST
       iadst8_sse2(in);
-      idct8_sse2(in);
+      vpx_idct8_sse2(in);
       break;
     case 3:  // ADST_ADST
       iadst8_sse2(in);
diff --git a/vpx_dsp/x86/highbd_idct8x8_add_sse2.c b/vpx_dsp/x86/highbd_idct8x8_add_sse2.c
index 909a6b794..bb7a510e1 100644
--- a/vpx_dsp/x86/highbd_idct8x8_add_sse2.c
+++ b/vpx_dsp/x86/highbd_idct8x8_add_sse2.c
@@ -124,8 +124,8 @@ void vpx_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint16_t *dest,
     io_short[6] = _mm_packs_epi32(io[10], io[14]);
     io_short[7] = _mm_packs_epi32(io[11], io[15]);
 
-    idct8_sse2(io_short);
-    idct8_sse2(io_short);
+    vpx_idct8_sse2(io_short);
+    vpx_idct8_sse2(io_short);
     round_shift_8x8(io_short, io);
   } else {
     __m128i temp[4];
diff --git a/vpx_dsp/x86/highbd_idct8x8_add_sse4.c b/vpx_dsp/x86/highbd_idct8x8_add_sse4.c
index 8b08ec4bd..8b2e3d241 100644
--- a/vpx_dsp/x86/highbd_idct8x8_add_sse4.c
+++ b/vpx_dsp/x86/highbd_idct8x8_add_sse4.c
@@ -17,7 +17,7 @@
 #include "vpx_dsp/x86/inv_txfm_ssse3.h"
 #include "vpx_dsp/x86/transpose_sse2.h"
 
-void highbd_idct8x8_half1d(__m128i *const io) {
+void vpx_highbd_idct8x8_half1d_sse4_1(__m128i *const io) {
   __m128i step1[8], step2[8];
 
   transpose_32bit_4x4x2(io, io);
@@ -126,13 +126,13 @@ void vpx_highbd_idct8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     io_short[6] = _mm_packs_epi32(io[10], io[14]);
     io_short[7] = _mm_packs_epi32(io[11], io[15]);
 
-    idct8_sse2(io_short);
-    idct8_sse2(io_short);
+    vpx_idct8_sse2(io_short);
+    vpx_idct8_sse2(io_short);
     round_shift_8x8(io_short, io);
   } else {
     __m128i temp[4];
 
-    highbd_idct8x8_half1d(io);
+    vpx_highbd_idct8x8_half1d_sse4_1(io);
 
     io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0));
     io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4));
@@ -142,7 +142,7 @@ void vpx_highbd_idct8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4));
     io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0));
     io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4));
-    highbd_idct8x8_half1d(&io[8]);
+    vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
 
     temp[0] = io[4];
     temp[1] = io[5];
@@ -152,13 +152,13 @@ void vpx_highbd_idct8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
     io[5] = io[9];
     io[6] = io[10];
     io[7] = io[11];
-    highbd_idct8x8_half1d(io);
+    vpx_highbd_idct8x8_half1d_sse4_1(io);
 
     io[8] = temp[0];
     io[9] = temp[1];
     io[10] = temp[2];
     io[11] = temp[3];
-    highbd_idct8x8_half1d(&io[8]);
+    vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
 
     highbd_idct8x8_final_round(io);
   }
diff --git a/vpx_dsp/x86/highbd_inv_txfm_sse4.h b/vpx_dsp/x86/highbd_inv_txfm_sse4.h
index a1fb42357..e8ec335e3 100644
--- a/vpx_dsp/x86/highbd_inv_txfm_sse4.h
+++ b/vpx_dsp/x86/highbd_inv_txfm_sse4.h
@@ -106,6 +106,6 @@ static INLINE void highbd_idct4_sse4_1(__m128i *const io) {
   io[3] = _mm_sub_epi32(step[0], step[3]);  // step[0] - step[3]
 }
 
-void highbd_idct8x8_half1d(__m128i *const io);
+void vpx_highbd_idct8x8_half1d_sse4_1(__m128i *const io);
 
 #endif  // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
diff --git a/vpx_dsp/x86/inv_txfm_sse2.c b/vpx_dsp/x86/inv_txfm_sse2.c
index 6b1837df5..e17d2627d 100644
--- a/vpx_dsp/x86/inv_txfm_sse2.c
+++ b/vpx_dsp/x86/inv_txfm_sse2.c
@@ -165,7 +165,7 @@ void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest,
 
   // 2-D
   for (i = 0; i < 2; i++) {
-    idct8_sse2(in);
+    vpx_idct8_sse2(in);
   }
 
   write_buffer_8x8(in, dest, stride);
@@ -221,7 +221,7 @@ void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest,
   recon_and_store_8_dual(dest, dc_value, stride);
 }
 
-void idct8_sse2(__m128i *const in) {
+void vpx_idct8_sse2(__m128i *const in) {
   // 8x8 Transpose is copied from vpx_fdct8x8_sse2()
   transpose_16bit_8x8(in, in);
 
diff --git a/vpx_dsp/x86/inv_txfm_sse2.h b/vpx_dsp/x86/inv_txfm_sse2.h
index 5cd5098f1..4cb1f0789 100644
--- a/vpx_dsp/x86/inv_txfm_sse2.h
+++ b/vpx_dsp/x86/inv_txfm_sse2.h
@@ -697,7 +697,7 @@ static INLINE void idct32_8x32_quarter_3_4_stage_4_to_7(
 }
 
 void idct4_sse2(__m128i *const in);
-void idct8_sse2(__m128i *const in);
+void vpx_idct8_sse2(__m128i *const in);
 void idct16_sse2(__m128i *const in0, __m128i *const in1);
 void iadst4_sse2(__m128i *const in);
 void iadst8_sse2(__m128i *const in);