diff --git a/internal/release_impl_checksenabled.vsprops b/internal/release_impl_checksenabled.vsprops
deleted file mode 100644
index a91e1b268..000000000
--- a/internal/release_impl_checksenabled.vsprops
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_checksenabled"
-	InheritedPropertySheets=".\essential.vsprops"
-	>
-	<Tool
-		Name="VCCLCompilerTool"
-		PreprocessorDefinitions="_DEBUG;_HAS_ITERATOR_DEBUGGING=0;_SECURE_SCL=0"
-		RuntimeLibrary="1"
-		AdditionalOptions="/Oy-"
-	/>
-	<Tool
-		Name="VCLinkerTool"
-		LinkIncremental="1"
-		OptimizeReferences="2"
-		OptimizeForWindows98="1"
-		EnableCOMDATFolding="2"
-	/>
-	<Tool
-		Name="VCResourceCompilerTool"
-		PreprocessorDefinitions="_DEBUG;_HAS_ITERATOR_DEBUGGING=0;_SECURE_SCL=0"
-	/>
-</VisualStudioPropertySheet>
diff --git a/internal/release_impl_coverage.vsprops b/internal/release_impl_coverage.vsprops
deleted file mode 100644
index c3f6aa9d2..000000000
--- a/internal/release_impl_coverage.vsprops
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_coverage"
-	InheritedPropertySheets=".\release_defaults.vsprops"
-	>
-	<Tool
-		Name="VCLinkerTool"
-    		Profile="1"
-	/>
-</VisualStudioPropertySheet>
diff --git a/internal/release_impl_dom_stats.vsprops b/internal/release_impl_dom_stats.vsprops
deleted file mode 100644
index 3f6f349c4..000000000
--- a/internal/release_impl_dom_stats.vsprops
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_dom_stats"
-	InheritedPropertySheets=".\essential.vsprops"
-	>
-	<Tool
-		Name="VCCLCompilerTool"
-		PreprocessorDefinitions="NDEBUG;ENABLE_DOM_STATS_COUNTERS"
-		AdditionalOptions="/Oy-"
-	/>
-	<Tool
-		Name="VCLinkerTool"
-		LinkIncremental="1"
-		OptimizeReferences="2"
-		OptimizeForWindows98="1"
-		EnableCOMDATFolding="2"
-	/>
-	<Tool
-		Name="VCResourceCompilerTool"
-		PreprocessorDefinitions="NDEBUG;ENABLE_DOM_STATS_COUNTERS"
-	/>
-</VisualStudioPropertySheet>
diff --git a/internal/release_impl_pgo_instrument.vsprops b/internal/release_impl_pgo_instrument.vsprops
deleted file mode 100644
index 8c0986334..000000000
--- a/internal/release_impl_pgo_instrument.vsprops
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_pgo_instrument"
-	OutputDirectory="$(DefaultOutputDirectory)_pgo"
-	IntermediateDirectory="$(DefaultOutputDirectory)_pgo\obj\$(ProjectName)"
-	InheritedPropertySheets=".\release_defaults.vsprops"
-	>
-	<Tool
-		Name="VCCLCompilerTool"
-		Optimization="3"
-		InlineFunctionExpansion="2"
-		EnableIntrinsicFunctions="true"
-		FavorSizeOrSpeed="2"
-		OmitFramePointers="true"
-		EnableFiberSafeOptimizations="true"
-		WholeProgramOptimization="true"
-	/>
-	<Tool
-		Name="VCLibrarianTool"
-		AdditionalOptions="/ltcg"
-	/>
-	<Tool
-		Name="VCLinkerTool"
-		LinkTimeCodeGeneration="2"
-	/>
-</VisualStudioPropertySheet>
diff --git a/internal/release_impl_pgo_optimize.vsprops b/internal/release_impl_pgo_optimize.vsprops
deleted file mode 100644
index 60233f448..000000000
--- a/internal/release_impl_pgo_optimize.vsprops
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_pgo_optimize"
-	OutputDirectory="$(DefaultOutputDirectory)_pgo"
-	IntermediateDirectory="$(DefaultOutputDirectory)_pgo\obj\$(ProjectName)"
-	InheritedPropertySheets=".\release_defaults.vsprops"
-	>
-	<Tool
-		Name="VCCLCompilerTool"
-		Optimization="3"
-		InlineFunctionExpansion="2"
-		EnableIntrinsicFunctions="true"
-		FavorSizeOrSpeed="2"
-		OmitFramePointers="true"
-		EnableFiberSafeOptimizations="true"
-		WholeProgramOptimization="true"
-	/>
-	<Tool
-		Name="VCLibrarianTool"
-		AdditionalOptions="/ltcg"
-	/>
-	<Tool
-		Name="VCLinkerTool"
-		LinkTimeCodeGeneration="3"
-	/>
-</VisualStudioPropertySheet>
diff --git a/internal/release_impl_purify.vsprops b/internal/release_impl_purify.vsprops
deleted file mode 100644
index dd7558595..000000000
--- a/internal/release_impl_purify.vsprops
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioPropertySheet
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="release_impl_purify"
-	InheritedPropertySheets=".\release_defaults.vsprops"
-	>
-	<Tool
-		Name="VCCLCompilerTool"
-		Optimization="0"
-		PreprocessorDefinitions="PURIFY"
-		RuntimeLibrary="0"
-		BufferSecurityCheck="false"
-	/>
-	<Tool
-		Name="VCLinkerTool"
-    EnableCOMDATFolding="1"
-	/>
-</VisualStudioPropertySheet>