diff --git a/src/d3d10/d3d10.spec b/src/d3d10/d3d10.spec
deleted file mode 100644
index be224e0b..00000000
--- a/src/d3d10/d3d10.spec
+++ /dev/null
@@ -1,34 +0,0 @@
-@ stdcall D3D10CreateDevice(ptr long ptr long long ptr)
-@ stdcall D3D10CreateDeviceAndSwapChain(ptr long ptr long long ptr ptr ptr)
-
-@ stdcall D3D10GetVertexShaderProfile(ptr)
-@ stdcall D3D10GetGeometryShaderProfile(ptr)
-@ stdcall D3D10GetPixelShaderProfile(ptr)
-
-@ stdcall D3D10CreateBlob(long ptr)
-@ stdcall D3D10GetInputSignatureBlob(ptr long ptr)
-@ stdcall D3D10GetOutputSignatureBlob(ptr long ptr)
-
-@ stdcall D3D10ReflectShader(ptr long ptr)
-@ stdcall D3D10CompileShader(ptr long str ptr ptr str str long ptr ptr)
-
-@ stdcall D3D10CreateEffectFromMemory(ptr long long ptr ptr ptr)
-@ stdcall D3D10CreateEffectPoolFromMemory(ptr long long ptr ptr)
-@ stdcall D3D10CompileEffectFromMemory(ptr long ptr ptr ptr long long ptr ptr)
-
-@ stub D3D10DisassembleEffect
-@ stdcall D3D10DisassembleShader(ptr long long ptr ptr)
-@ stub D3D10PreprocessShader
-
-@ stdcall D3D10CreateStateBlock(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskDifference(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskDisableAll(ptr)
-@ stdcall D3D10StateBlockMaskDisableCapture(ptr long long long)
-@ stdcall D3D10StateBlockMaskEnableAll(ptr)
-@ stdcall D3D10StateBlockMaskEnableCapture(ptr long long long)
-@ stdcall D3D10StateBlockMaskGetSetting(ptr long long)
-@ stdcall D3D10StateBlockMaskIntersect(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskUnion(ptr ptr ptr)
-
-@ stdcall D3D10GetVersion()
-@ stdcall D3D10RegisterLayers()
\ No newline at end of file
diff --git a/src/d3d10/d3d10_1.spec b/src/d3d10/d3d10_1.spec
deleted file mode 100644
index 1f8662ef..00000000
--- a/src/d3d10/d3d10_1.spec
+++ /dev/null
@@ -1,34 +0,0 @@
-@ stdcall D3D10CreateDevice1(ptr long ptr long long long ptr)
-@ stdcall D3D10CreateDeviceAndSwapChain1(ptr long ptr long long long ptr ptr ptr)
-
-@ stdcall D3D10GetVertexShaderProfile(ptr)
-@ stdcall D3D10GetGeometryShaderProfile(ptr)
-@ stdcall D3D10GetPixelShaderProfile(ptr)
-
-@ stdcall D3D10CreateBlob(long ptr)
-@ stdcall D3D10GetInputSignatureBlob(ptr long ptr)
-@ stdcall D3D10GetOutputSignatureBlob(ptr long ptr)
-
-@ stdcall D3D10ReflectShader(ptr long ptr)
-@ stdcall D3D10CompileShader(ptr long str ptr ptr str str long ptr ptr)
-
-@ stdcall D3D10CreateEffectFromMemory(ptr long long ptr ptr ptr)
-@ stdcall D3D10CreateEffectPoolFromMemory(ptr long long ptr ptr)
-@ stdcall D3D10CompileEffectFromMemory(ptr long ptr ptr ptr long long ptr ptr)
-
-@ stub D3D10DisassembleEffect
-@ stdcall D3D10DisassembleShader(ptr long long ptr ptr)
-@ stub D3D10PreprocessShader
-
-@ stdcall D3D10CreateStateBlock(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskDifference(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskDisableAll(ptr)
-@ stdcall D3D10StateBlockMaskDisableCapture(ptr long long long)
-@ stdcall D3D10StateBlockMaskEnableAll(ptr)
-@ stdcall D3D10StateBlockMaskEnableCapture(ptr long long long)
-@ stdcall D3D10StateBlockMaskGetSetting(ptr long long)
-@ stdcall D3D10StateBlockMaskIntersect(ptr ptr ptr)
-@ stdcall D3D10StateBlockMaskUnion(ptr ptr ptr)
-
-@ stdcall D3D10GetVersion()
-@ stdcall D3D10RegisterLayers()
\ No newline at end of file
diff --git a/src/d3d10/d3d10core.spec b/src/d3d10/d3d10core.spec
deleted file mode 100644
index 6d40fdf8..00000000
--- a/src/d3d10/d3d10core.spec
+++ /dev/null
@@ -1,3 +0,0 @@
-@ stdcall D3D10CoreCreateDevice(ptr ptr long long ptr)
-@ stdcall D3D10CoreGetVersion()
-@ stdcall D3D10CoreRegisterLayers()
\ No newline at end of file
diff --git a/src/d3d11/d3d11.spec b/src/d3d11/d3d11.spec
deleted file mode 100644
index a54278f7..00000000
--- a/src/d3d11/d3d11.spec
+++ /dev/null
@@ -1,3 +0,0 @@
-@ stdcall D3D11CreateDevice(ptr long ptr long ptr long long ptr ptr ptr)
-@ stdcall D3D11CreateDeviceAndSwapChain(ptr long ptr long ptr long long ptr ptr ptr ptr ptr)
-@ stdcall D3D11CoreCreateDevice(ptr ptr long ptr long ptr)
diff --git a/src/d3d9/d3d9.spec b/src/d3d9/d3d9.spec
deleted file mode 100644
index 67dc522d..00000000
--- a/src/d3d9/d3d9.spec
+++ /dev/null
@@ -1,20 +0,0 @@
-@ stdcall Direct3DShaderValidatorCreate9()
-
-@ stdcall PSGPError(ptr long long)
-@ stdcall PSGPSampleTexture(ptr long ptr long ptr)
-
-@ stdcall D3DPERF_BeginEvent(long wstr)
-@ stdcall D3DPERF_EndEvent()
-@ stdcall D3DPERF_GetStatus()
-@ stdcall D3DPERF_QueryRepeatFrame()
-@ stdcall D3DPERF_SetMarker(long wstr)
-@ stdcall D3DPERF_SetOptions(long)
-@ stdcall D3DPERF_SetRegion(long wstr)
-
-@ stdcall DebugSetLevel()
-@ stdcall DebugSetMute()
-
-@ stdcall Direct3D9EnableMaximizedWindowedModeShim(long)
-
-@ stdcall Direct3DCreate9(long)
-@ stdcall Direct3DCreate9Ex(long ptr)
\ No newline at end of file
diff --git a/src/dxgi/dxgi.spec b/src/dxgi/dxgi.spec
deleted file mode 100644
index acf80cee..00000000
--- a/src/dxgi/dxgi.spec
+++ /dev/null
@@ -1,3 +0,0 @@
-@ stdcall CreateDXGIFactory(ptr ptr)
-@ stdcall CreateDXGIFactory1(ptr ptr)
-@ stdcall CreateDXGIFactory2(long ptr ptr)