diff --git a/webrtc/common_audio/signal_processing/include/spl_inl_armv7.h b/webrtc/common_audio/signal_processing/include/spl_inl_armv7.h
index b52ebc53d..0f5054719 100644
--- a/webrtc/common_audio/signal_processing/include/spl_inl_armv7.h
+++ b/webrtc/common_audio/signal_processing/include/spl_inl_armv7.h
@@ -30,12 +30,6 @@ static __inline int32_t WEBRTC_SPL_MUL_16_32_RSFT16(int16_t a, int32_t b) {
   return tmp;
 }
 
-static __inline int32_t WEBRTC_SPL_MUL_32_32_RSFT32BI(int32_t a, int32_t b) {
-  int32_t tmp = 0;
-  __asm volatile ("smmulr %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
-  return tmp;
-}
-
 static __inline int32_t WEBRTC_SPL_MUL_16_16(int16_t a, int16_t b) {
   int32_t tmp = 0;
   __asm __volatile ("smulbb %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
diff --git a/webrtc/common_audio/signal_processing/include/spl_inl_mips.h b/webrtc/common_audio/signal_processing/include/spl_inl_mips.h
index f29f701da..ab9a60d47 100644
--- a/webrtc/common_audio/signal_processing/include/spl_inl_mips.h
+++ b/webrtc/common_audio/signal_processing/include/spl_inl_mips.h
@@ -66,18 +66,6 @@ static __inline int32_t WEBRTC_SPL_MUL_16_32_RSFT16(int16_t a,
   return value32;
 }
 
-static __inline int32_t WEBRTC_SPL_MUL_32_32_RSFT32BI(int32_t a,
-                                                      int32_t b) {
-  int32_t tmp = 0;
-
-  if ((32767 < a) || (a < 0))
-    tmp = WEBRTC_SPL_MUL_16_32_RSFT16(((int16_t)(a >> 16)), b);
-  tmp += WEBRTC_SPL_MUL_16_32_RSFT16(((int16_t)((a & 0x0000FFFF) >> 1)),
-                                     b) >> 15;
-
-  return tmp;
-}
-
 #if defined(MIPS_DSP_R1_LE)
 static __inline int16_t WebRtcSpl_SatW32ToW16(int32_t value32) {
   __asm __volatile(