diff --git a/Source/Core/Common/Common.vcproj b/Source/Core/Common/Common.vcproj
index 69f36a31e1..e9eb4df63f 100644
--- a/Source/Core/Common/Common.vcproj
+++ b/Source/Core/Common/Common.vcproj
@@ -268,7 +268,7 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				AdditionalIncludeDirectories="../../PluginSpecs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				BufferSecurityCheck="false"
diff --git a/Source/Core/DebuggerWX/DebuggerWX.vcproj b/Source/Core/DebuggerWX/DebuggerWX.vcproj
index 482f030357..20ec418e6c 100644
--- a/Source/Core/DebuggerWX/DebuggerWX.vcproj
+++ b/Source/Core/DebuggerWX/DebuggerWX.vcproj
@@ -179,7 +179,7 @@
 				Name="VCCLCompilerTool"
 				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="..\..\PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc;..\Core\Src;..\Common\Src;..\..\..\Externals\Bochs_disasm"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;__WXMSW__"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;__WXMSW__;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				BufferSecurityCheck="false"
 				EnableEnhancedInstructionSet="2"
@@ -245,7 +245,7 @@
 				Name="VCCLCompilerTool"
 				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="..\..\PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc;..\Core\Src;..\Common\Src;..\..\..\Externals\Bochs_disasm"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;__WXMSW__;_SECURE_SCL=0"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;__WXMSW__;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
diff --git a/Source/Core/DiscIO/DiscIO.vcproj b/Source/Core/DiscIO/DiscIO.vcproj
index 7e181840c6..6dafef66d4 100644
--- a/Source/Core/DiscIO/DiscIO.vcproj
+++ b/Source/Core/DiscIO/DiscIO.vcproj
@@ -176,7 +176,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\Common\Src"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="2"
 				UsePrecompiledHeader="2"
@@ -241,7 +241,7 @@
 				Name="VCCLCompilerTool"
 				FavorSizeOrSpeed="1"
 				AdditionalIncludeDirectories="..\Common\Src"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				UsePrecompiledHeader="2"
 				WarningLevel="3"
diff --git a/Source/Core/VideoCommon/VideoCommon.vcproj b/Source/Core/VideoCommon/VideoCommon.vcproj
index 3bad9a8c86..39e8c32c63 100644
--- a/Source/Core/VideoCommon/VideoCommon.vcproj
+++ b/Source/Core/VideoCommon/VideoCommon.vcproj
@@ -174,7 +174,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="../../Core/Common/Src;../../PluginSpecs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
@@ -237,7 +237,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="../../Core/Common/Src;../../PluginSpecs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_SECURE_SCL=0;_CRT_SECURE_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE"
 				RuntimeLibrary="0"
 				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"