diff --git a/win32/VS2015/opus.vcxproj b/win32/VS2015/opus.vcxproj
index dcf18265526839d27ddf2c6a0cb9e1c90251151d..33bf706da1bd5982d26c1a940ad8b767f1b91a07 100644
--- a/win32/VS2015/opus.vcxproj
+++ b/win32/VS2015/opus.vcxproj
@@ -248,9 +248,7 @@
     <ClCompile Include="..\..\celt\entcode.c" />
     <ClCompile Include="..\..\celt\entdec.c" />
     <ClCompile Include="..\..\celt\entenc.c" />
-    <ClCompile Include="..\..\celt\kiss_fft.c">
-      <DisableSpecificWarnings Condition="'$(Configuration)'=='DebugDLL_fixed'">4146;%(DisableSpecificWarnings)</DisableSpecificWarnings>
-    </ClCompile>
+    <ClCompile Include="..\..\celt\kiss_fft.c" />
     <ClCompile Include="..\..\celt\laplace.c" />
     <ClCompile Include="..\..\celt\mathops.c" />
     <ClCompile Include="..\..\celt\mdct.c" />