diff --git a/src/dsp/alpha_processing_sse2.c b/src/dsp/alpha_processing_sse2.c
index aa39692c..9233246c 100644
--- a/src/dsp/alpha_processing_sse2.c
+++ b/src/dsp/alpha_processing_sse2.c
@@ -282,7 +282,7 @@ static void MultRow(uint8_t* const ptr, const uint8_t* const alpha,
 //------------------------------------------------------------------------------
 // Init function
 
-extern  WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void);
+extern void WebPInitAlphaProcessingSSE2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void) {
 #if defined(WEBP_USE_SSE2)
diff --git a/src/dsp/argb_mips_dsp_r2.c b/src/dsp/argb_mips_dsp_r2.c
index ed0742d2..a613d457 100644
--- a/src/dsp/argb_mips_dsp_r2.c
+++ b/src/dsp/argb_mips_dsp_r2.c
@@ -98,7 +98,7 @@ static void PackRGB(const uint8_t* r, const uint8_t* g, const uint8_t* b,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspARGBInitMIPSdspR2(void);
+extern void VP8EncDspARGBInitMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspARGBInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/cost_mips32.c b/src/dsp/cost_mips32.c
index 76232995..11e29b8d 100644
--- a/src/dsp/cost_mips32.c
+++ b/src/dsp/cost_mips32.c
@@ -171,9 +171,9 @@ static void SetResidualCoeffs(const int16_t* const coeffs,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPS32(void);
+extern void VP8EncDspCostInitMIPS32(void);
 
-void WEBP_TSAN_IGNORE_FUNCTION VP8EncDspCostInitMIPS32(void) {
+WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
   VP8GetResidualCost = GetResidualCost;
   VP8SetResidualCoeffs = SetResidualCoeffs;
diff --git a/src/dsp/cost_mips_dsp_r2.c b/src/dsp/cost_mips_dsp_r2.c
index b5e885f7..89cd4cc4 100644
--- a/src/dsp/cost_mips_dsp_r2.c
+++ b/src/dsp/cost_mips_dsp_r2.c
@@ -101,9 +101,9 @@ static int GetResidualCost(int ctx0, const VP8Residual* const res) {
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPSdspR2(void);
+extern void VP8EncDspCostInitMIPSdspR2(void);
 
-void WEBP_TSAN_IGNORE_FUNCTION VP8EncDspCostInitMIPSdspR2(void) {
+WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
   VP8GetResidualCost = GetResidualCost;
 #endif  // WEBP_USE_MIPS_DSP_R2
diff --git a/src/dsp/dec_mips32.c b/src/dsp/dec_mips32.c
index 385d2753..65944df8 100644
--- a/src/dsp/dec_mips32.c
+++ b/src/dsp/dec_mips32.c
@@ -560,7 +560,7 @@ static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) {
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPS32(void);
+extern void VP8DspInitMIPS32(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
diff --git a/src/dsp/dec_mips_dsp_r2.c b/src/dsp/dec_mips_dsp_r2.c
index 7c86dfba..f270ec5f 100644
--- a/src/dsp/dec_mips_dsp_r2.c
+++ b/src/dsp/dec_mips_dsp_r2.c
@@ -486,7 +486,7 @@ static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void);
+extern void VP8DspInitMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/dec_neon.c b/src/dsp/dec_neon.c
index b3e68883..19a32828 100644
--- a/src/dsp/dec_neon.c
+++ b/src/dsp/dec_neon.c
@@ -1449,7 +1449,7 @@ static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); }
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitNEON(void);
+extern void VP8DspInitNEON(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitNEON(void) {
 #if defined(WEBP_USE_NEON)
diff --git a/src/dsp/dec_sse2.c b/src/dsp/dec_sse2.c
index ead64974..5661a66d 100644
--- a/src/dsp/dec_sse2.c
+++ b/src/dsp/dec_sse2.c
@@ -1234,7 +1234,7 @@ static void DC8uvNoTopLeft(uint8_t* dst) {    // DC with nothing
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE2(void);
+extern void VP8DspInitSSE2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE2(void) {
 #if defined(WEBP_USE_SSE2)
diff --git a/src/dsp/dsp.h b/src/dsp/dsp.h
index f52c29c8..73066f6d 100644
--- a/src/dsp/dsp.h
+++ b/src/dsp/dsp.h
@@ -174,7 +174,7 @@ void VP8LSetHistogramData(const int distribution[MAX_COEFF_THRESH + 1],
                           VP8Histogram* const histo);
 
 // must be called before using any of the above
-WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInit(void);
+void VP8EncDspInit(void);
 
 //------------------------------------------------------------------------------
 // cost functions (encoding)
@@ -195,7 +195,7 @@ typedef int (*VP8GetResidualCostFunc)(int ctx0,
 extern VP8GetResidualCostFunc VP8GetResidualCost;
 
 // must be called before anything using the above
-WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInit(void);
+void VP8EncDspCostInit(void);
 
 //------------------------------------------------------------------------------
 // Decoding
@@ -223,7 +223,7 @@ extern const int8_t* const VP8ksclip2;  // clips [-112, 112] to [-16, 15]
 extern const uint8_t* const VP8kclip1;  // clips [-255,511] to [0,255]
 extern const uint8_t* const VP8kabs0;   // abs(x) for x in [-255,255]
 // must be called first
-WEBP_TSAN_IGNORE_FUNCTION void VP8InitClipTables(void);
+void VP8InitClipTables(void);
 
 // simple filter (only for luma)
 typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh);
@@ -250,7 +250,7 @@ extern VP8ChromaFilterFunc VP8VFilter8i;  // filtering u and v altogether
 extern VP8ChromaFilterFunc VP8HFilter8i;
 
 // must be called before anything using the above
-WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void);
+void VP8DspInit(void);
 
 //------------------------------------------------------------------------------
 // WebP I/O
@@ -299,11 +299,11 @@ extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */];
 
 // Must be called before using the WebPUpsamplers[] (and for premultiplied
 // colorspaces like rgbA, rgbA4444, etc)
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplers(void);
+void WebPInitUpsamplers(void);
 // Must be called before using WebPSamplers[]
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplers(void);
+void WebPInitSamplers(void);
 // Must be called before using WebPYUV444Converters[]
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444Converters(void);
+void WebPInitYUV444Converters(void);
 
 //------------------------------------------------------------------------------
 // Rescaler
@@ -322,7 +322,7 @@ extern void (*WebPRescalerExportRow)(struct WebPRescaler* const wrk, int x_out);
 extern void WebPRescalerExportRowC(struct WebPRescaler* const wrk, int x_out);
 
 // Must be called first before using the above.
-WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInit(void);
+void WebPRescalerDspInit(void);
 
 //------------------------------------------------------------------------------
 // Utilities for processing transparent channel.
@@ -380,7 +380,7 @@ void WebPMultRowC(uint8_t* const ptr, const uint8_t* const alpha,
 void WebPMultARGBRowC(uint32_t* const ptr, int width, int inverse);
 
 // To be called first before using the above.
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessing(void);
+void WebPInitAlphaProcessing(void);
 
 // ARGB packing function: a/r/g/b input is rgba or bgra order.
 extern void (*VP8PackARGB)(const uint8_t* a, const uint8_t* r,
@@ -392,7 +392,7 @@ extern void (*VP8PackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b,
                           int len, int step, uint32_t* out);
 
 // To be called first before using the above.
-WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspARGBInit(void);
+void VP8EncDspARGBInit(void);
 
 //------------------------------------------------------------------------------
 // Filter functions
@@ -425,7 +425,7 @@ extern WebPFilterFunc WebPFilters[WEBP_FILTER_LAST];
 extern WebPUnfilterFunc WebPUnfilters[WEBP_FILTER_LAST];
 
 // To be called first before using the above.
-WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInit(void);
+void VP8FiltersInit(void);
 
 #ifdef __cplusplus
 }    // extern "C"
diff --git a/src/dsp/enc_mips32.c b/src/dsp/enc_mips32.c
index b5b51fb1..9cb2f26d 100644
--- a/src/dsp/enc_mips32.c
+++ b/src/dsp/enc_mips32.c
@@ -650,7 +650,7 @@ static int SSE4x4(const uint8_t* a, const uint8_t* b) {
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPS32(void);
+extern void VP8EncDspInitMIPS32(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
diff --git a/src/dsp/enc_mips_dsp_r2.c b/src/dsp/enc_mips_dsp_r2.c
index dfffc20c..42daaf55 100644
--- a/src/dsp/enc_mips_dsp_r2.c
+++ b/src/dsp/enc_mips_dsp_r2.c
@@ -1485,7 +1485,7 @@ static void CollectHistogram(const uint8_t* ref, const uint8_t* pred,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPSdspR2(void);
+extern void VP8EncDspInitMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/enc_neon.c b/src/dsp/enc_neon.c
index 725ebfca..377d31f3 100644
--- a/src/dsp/enc_neon.c
+++ b/src/dsp/enc_neon.c
@@ -907,7 +907,7 @@ static int Quantize2Blocks(int16_t in[32], int16_t out[32],
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitNEON(void);
+extern void VP8EncDspInitNEON(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitNEON(void) {
 #if defined(WEBP_USE_NEON)
diff --git a/src/dsp/enc_sse2.c b/src/dsp/enc_sse2.c
index 2d4d5e5f..fe02e701 100644
--- a/src/dsp/enc_sse2.c
+++ b/src/dsp/enc_sse2.c
@@ -946,7 +946,7 @@ void VP8SetResidualCoeffsSSE2(const int16_t* const coeffs,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitSSE2(void);
+extern void VP8EncDspInitSSE2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitSSE2(void) {
 #if defined(WEBP_USE_SSE2)
diff --git a/src/dsp/lossless_mips32.c b/src/dsp/lossless_mips32.c
index ad0916f4..268222ea 100644
--- a/src/dsp/lossless_mips32.c
+++ b/src/dsp/lossless_mips32.c
@@ -401,7 +401,7 @@ static void HistogramAdd(const VP8LHistogram* const a,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPS32(void);
+extern void VP8LDspInitMIPS32(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
diff --git a/src/dsp/lossless_mips_dsp_r2.c b/src/dsp/lossless_mips_dsp_r2.c
index d34cf261..d717db61 100644
--- a/src/dsp/lossless_mips_dsp_r2.c
+++ b/src/dsp/lossless_mips_dsp_r2.c
@@ -589,7 +589,7 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void);
+extern void VP8LDspInitMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/lossless_neon.c b/src/dsp/lossless_neon.c
index 9354bc99..17dce9ab 100644
--- a/src/dsp/lossless_neon.c
+++ b/src/dsp/lossless_neon.c
@@ -327,7 +327,7 @@ static void AddGreenToBlueAndRed(uint32_t* argb_data, int num_pixels) {
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitNEON(void);
+extern void VP8LDspInitNEON(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitNEON(void) {
 #if defined(WEBP_USE_NEON)
diff --git a/src/dsp/lossless_sse2.c b/src/dsp/lossless_sse2.c
index 6dcb897a..565344e3 100644
--- a/src/dsp/lossless_sse2.c
+++ b/src/dsp/lossless_sse2.c
@@ -503,7 +503,7 @@ static void HistogramAdd(const VP8LHistogram* const a,
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE2(void);
+extern void VP8LDspInitSSE2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE2(void) {
 #if defined(WEBP_USE_SSE2)
diff --git a/src/dsp/rescaler_mips32.c b/src/dsp/rescaler_mips32.c
index 6d6d4378..e9895a88 100644
--- a/src/dsp/rescaler_mips32.c
+++ b/src/dsp/rescaler_mips32.c
@@ -182,7 +182,7 @@ static void ExportRow(WebPRescaler* const wrk, int x_out) {
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPS32(void);
+extern void WebPRescalerDspInitMIPS32(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
diff --git a/src/dsp/rescaler_mips_dsp_r2.c b/src/dsp/rescaler_mips_dsp_r2.c
index 8dd64e53..55e9ee46 100644
--- a/src/dsp/rescaler_mips_dsp_r2.c
+++ b/src/dsp/rescaler_mips_dsp_r2.c
@@ -200,7 +200,7 @@ static void ExportRow(WebPRescaler* const wrk, int x_out) {
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPSdspR2(void);
+extern void WebPRescalerDspInitMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/upsampling.c b/src/dsp/upsampling.c
index 5702c2d0..151a32ee 100644
--- a/src/dsp/upsampling.c
+++ b/src/dsp/upsampling.c
@@ -171,7 +171,7 @@ YUV444_FUNC(Yuv444ToRgb565,   VP8YuvToRgb565, 2)
 
 WebPYUV444Converter WebPYUV444Converters[MODE_LAST];
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersMIPSdspR2(void);
+extern void WebPInitYUV444ConvertersMIPSdspR2(void);
 
 static volatile VP8CPUInfo upsampling_last_cpuinfo_used1 =
     (VP8CPUInfo)&upsampling_last_cpuinfo_used1;
@@ -204,9 +204,9 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444Converters(void) {
 //------------------------------------------------------------------------------
 // Main calls
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE2(void);
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersNEON(void);
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersMIPSdspR2(void);
+extern void WebPInitUpsamplersSSE2(void);
+extern void WebPInitUpsamplersNEON(void);
+extern void WebPInitUpsamplersMIPSdspR2(void);
 
 static volatile VP8CPUInfo upsampling_last_cpuinfo_used2 =
     (VP8CPUInfo)&upsampling_last_cpuinfo_used2;
diff --git a/src/dsp/upsampling_mips_dsp_r2.c b/src/dsp/upsampling_mips_dsp_r2.c
index 32de0442..33f87c54 100644
--- a/src/dsp/upsampling_mips_dsp_r2.c
+++ b/src/dsp/upsampling_mips_dsp_r2.c
@@ -215,7 +215,7 @@ UPSAMPLE_FUNC(UpsampleRgb565LinePair,   YuvToRgb565,   2)
 
 #endif  // WEBP_USE_MIPS_DSP_R2
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersMIPSdspR2(void);
+extern void WebPInitUpsamplersMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
@@ -259,7 +259,7 @@ YUV444_FUNC(Yuv444ToRgb565,   YuvToRgb565,   2)
 
 #endif  // WEBP_USE_MIPS_DSP_R2
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersMIPSdspR2(void);
+extern void WebPInitYUV444ConvertersMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/upsampling_neon.c b/src/dsp/upsampling_neon.c
index 62cb9265..0006a8f4 100644
--- a/src/dsp/upsampling_neon.c
+++ b/src/dsp/upsampling_neon.c
@@ -242,7 +242,7 @@ NEON_UPSAMPLE_FUNC(UpsampleBgraLinePair, Bgra, 4)
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersNEON(void);
+extern void WebPInitUpsamplersNEON(void);
 
 #ifdef FANCY_UPSAMPLING
 
diff --git a/src/dsp/upsampling_sse2.c b/src/dsp/upsampling_sse2.c
index 19b7030c..93aa0c40 100644
--- a/src/dsp/upsampling_sse2.c
+++ b/src/dsp/upsampling_sse2.c
@@ -188,7 +188,7 @@ SSE2_UPSAMPLE_FUNC(UpsampleBgraLinePair, VP8YuvToBgra, 4)
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE2(void);
+extern void WebPInitUpsamplersSSE2(void);
 
 #ifdef FANCY_UPSAMPLING
 
diff --git a/src/dsp/yuv.c b/src/dsp/yuv.c
index 2407ca54..086a9257 100644
--- a/src/dsp/yuv.c
+++ b/src/dsp/yuv.c
@@ -120,9 +120,9 @@ void WebPSamplerProcessPlane(const uint8_t* y, int y_stride,
 
 WebPSamplerRowFunc WebPSamplers[MODE_LAST];
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void);
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void);
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPSdspR2(void);
+extern void WebPInitSamplersSSE2(void);
+extern void WebPInitSamplersMIPS32(void);
+extern void WebPInitSamplersMIPSdspR2(void);
 
 static volatile VP8CPUInfo yuv_last_cpuinfo_used =
     (VP8CPUInfo)&yuv_last_cpuinfo_used;
diff --git a/src/dsp/yuv.h b/src/dsp/yuv.h
index 2db8680b..8a47edd8 100644
--- a/src/dsp/yuv.h
+++ b/src/dsp/yuv.h
@@ -238,7 +238,7 @@ static WEBP_INLINE void VP8YuvToRgba(uint8_t y, uint8_t u, uint8_t v,
 }
 
 // Must be called before everything, to initialize the tables.
-WEBP_TSAN_IGNORE_FUNCTION void VP8YUVInit(void);
+void VP8YUVInit(void);
 
 //-----------------------------------------------------------------------------
 // SSE2 extra functions (mostly for upsampling_sse2.c)
diff --git a/src/dsp/yuv_mips32.c b/src/dsp/yuv_mips32.c
index dd95f465..4746ff33 100644
--- a/src/dsp/yuv_mips32.c
+++ b/src/dsp/yuv_mips32.c
@@ -88,7 +88,7 @@ ROW_FUNC(YuvToBgraRow,     4, 2, 1, 0, 3)
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void);
+extern void WebPInitSamplersMIPS32(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void) {
 #if defined(WEBP_USE_MIPS32)
diff --git a/src/dsp/yuv_mips_dsp_r2.c b/src/dsp/yuv_mips_dsp_r2.c
index e920c777..9cfa50b4 100644
--- a/src/dsp/yuv_mips_dsp_r2.c
+++ b/src/dsp/yuv_mips_dsp_r2.c
@@ -119,7 +119,7 @@ ROW_FUNC(YuvToBgraRow,     4, 2, 1, 0, 3)
 
 //------------------------------------------------------------------------------
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPSdspR2(void);
+extern void WebPInitSamplersMIPSdspR2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPSdspR2(void) {
 #if defined(WEBP_USE_MIPS_DSP_R2)
diff --git a/src/dsp/yuv_sse2.c b/src/dsp/yuv_sse2.c
index 7189225c..08cebd07 100644
--- a/src/dsp/yuv_sse2.c
+++ b/src/dsp/yuv_sse2.c
@@ -309,7 +309,7 @@ static void YuvToBgrRowSSE2(const uint8_t* y,
 //------------------------------------------------------------------------------
 // Entry point
 
-extern WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void);
+extern void WebPInitSamplersSSE2(void);
 
 WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) {
 #if defined(WEBP_USE_SSE2)