diff --git a/win32/VS2015/celt.vcxproj b/win32/VS2015/celt.vcxproj
index 1499f56d..d39882d7 100644
--- a/win32/VS2015/celt.vcxproj
+++ b/win32/VS2015/celt.vcxproj
@@ -328,7 +328,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -373,7 +372,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -410,7 +408,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -461,7 +458,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -513,7 +509,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -565,7 +560,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/opus.vcxproj b/win32/VS2015/opus.vcxproj
index 2621fc10..52b43044 100644
--- a/win32/VS2015/opus.vcxproj
+++ b/win32/VS2015/opus.vcxproj
@@ -278,7 +278,6 @@
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
       <SmallerTypeCheck>false</SmallerTypeCheck>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -327,7 +326,6 @@
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
       <SmallerTypeCheck>false</SmallerTypeCheck>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -365,7 +363,6 @@
       <DisableSpecificWarnings>4996</DisableSpecificWarnings>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -419,7 +416,6 @@
       <DisableSpecificWarnings>4996</DisableSpecificWarnings>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -473,7 +469,6 @@
       <DisableSpecificWarnings>4996</DisableSpecificWarnings>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <IntrinsicFunctions>true</IntrinsicFunctions>
@@ -526,7 +521,6 @@
       <DisableSpecificWarnings>4996</DisableSpecificWarnings>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <IntrinsicFunctions>true</IntrinsicFunctions>
diff --git a/win32/VS2015/opus_demo.vcxproj b/win32/VS2015/opus_demo.vcxproj
index 275241fe..3a039104 100644
--- a/win32/VS2015/opus_demo.vcxproj
+++ b/win32/VS2015/opus_demo.vcxproj
@@ -194,6 +194,7 @@
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -224,6 +225,7 @@
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -251,10 +253,10 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -282,10 +284,10 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -307,7 +309,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
@@ -322,6 +323,7 @@
       <FloatingPointExceptions>false</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -344,7 +346,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
@@ -359,6 +360,7 @@
       <FloatingPointExceptions>false</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -381,7 +383,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
@@ -396,6 +397,7 @@
       <FloatingPointExceptions>false</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -418,7 +420,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
@@ -433,6 +434,7 @@
       <FloatingPointExceptions>false</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
+      <DisableSpecificWarnings>4996</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/win32/VS2015/silk_common.vcxproj b/win32/VS2015/silk_common.vcxproj
index 47487380..bb496fea 100644
--- a/win32/VS2015/silk_common.vcxproj
+++ b/win32/VS2015/silk_common.vcxproj
@@ -272,7 +272,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -320,7 +319,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -361,7 +359,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -415,7 +412,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -470,7 +466,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -525,7 +520,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/silk_fixed.vcxproj b/win32/VS2015/silk_fixed.vcxproj
index 17a57db0..542df7ce 100644
--- a/win32/VS2015/silk_fixed.vcxproj
+++ b/win32/VS2015/silk_fixed.vcxproj
@@ -249,7 +249,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -287,7 +286,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -317,7 +315,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -361,7 +358,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -406,7 +402,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -451,7 +446,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/silk_float.vcxproj b/win32/VS2015/silk_float.vcxproj
index 562ac4c3..3579bd4c 100644
--- a/win32/VS2015/silk_float.vcxproj
+++ b/win32/VS2015/silk_float.vcxproj
@@ -273,7 +273,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -321,7 +320,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -361,7 +359,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -415,7 +412,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -470,7 +466,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -525,7 +520,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/test_opus_api.vcxproj b/win32/VS2015/test_opus_api.vcxproj
index 302752d1..9d2ce02a 100644
--- a/win32/VS2015/test_opus_api.vcxproj
+++ b/win32/VS2015/test_opus_api.vcxproj
@@ -251,7 +251,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -282,7 +281,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -306,7 +304,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -343,7 +340,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -380,7 +376,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -417,7 +412,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/test_opus_decode.vcxproj b/win32/VS2015/test_opus_decode.vcxproj
index ef6279c4..db807859 100644
--- a/win32/VS2015/test_opus_decode.vcxproj
+++ b/win32/VS2015/test_opus_decode.vcxproj
@@ -254,7 +254,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -286,7 +285,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -311,7 +309,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -349,7 +346,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -387,7 +383,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -425,7 +420,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
diff --git a/win32/VS2015/test_opus_encode.vcxproj b/win32/VS2015/test_opus_encode.vcxproj
index e2fa7257..500194c0 100644
--- a/win32/VS2015/test_opus_encode.vcxproj
+++ b/win32/VS2015/test_opus_encode.vcxproj
@@ -254,7 +254,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -286,7 +285,6 @@
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableParallelCodeGeneration>false</EnableParallelCodeGeneration>
-      <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <FloatingPointExceptions>true</FloatingPointExceptions>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <OpenMPSupport>false</OpenMPSupport>
@@ -311,7 +309,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -349,7 +346,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -387,7 +383,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -425,7 +420,6 @@
       <DebugInformationFormat>None</DebugInformationFormat>
       <CompileAsManaged>false</CompileAsManaged>
       <CompileAsWinRT>false</CompileAsWinRT>
-      <SDLCheck>false</SDLCheck>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>