diff --git a/3rdparty/meshoptimizer/src/vertexcodec.cpp b/3rdparty/meshoptimizer/src/vertexcodec.cpp
index 5f3ec204a..7925ea862 100644
--- a/3rdparty/meshoptimizer/src/vertexcodec.cpp
+++ b/3rdparty/meshoptimizer/src/vertexcodec.cpp
@@ -77,6 +77,8 @@
 #endif
 
 #ifdef SIMD_WASM
+#undef __DEPRECATED
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
 #include <wasm_simd128.h>
 #endif
 
@@ -1028,7 +1030,7 @@ static unsigned int getCpuFeatures()
 	return cpuinfo[2];
 }
 
-unsigned int cpuid = getCpuFeatures();
+static unsigned int cpuid = getCpuFeatures();
 #endif
 
 } // namespace meshopt
diff --git a/3rdparty/meshoptimizer/src/vertexfilter.cpp b/3rdparty/meshoptimizer/src/vertexfilter.cpp
index 023452c2a..606a280aa 100644
--- a/3rdparty/meshoptimizer/src/vertexfilter.cpp
+++ b/3rdparty/meshoptimizer/src/vertexfilter.cpp
@@ -52,6 +52,7 @@
 #endif
 
 #ifdef SIMD_WASM
+#undef __DEPRECATED
 #include <wasm_simd128.h>
 #endif