diff --git a/Source/Core/DolphinWX/MainNoGUI.cpp b/Source/Core/DolphinWX/MainNoGUI.cpp
@@ -67,17 +67,13 @@ void* Host_GetRenderHandle()
 
 void Host_UpdateTitle(const std::string& title){};
 
-void Host_UpdateLogDisplay(){}
-
 void Host_UpdateDisasmDialog(){}
 
 void Host_UpdateMainFrame()
 {
 	updateMainFrameEvent.Set();
 }
 
-void Host_UpdateBreakPointView(){}
-
 void Host_GetRenderWindowSize(int& x, int& y, int& width, int& height)
 {
 	x = SConfig::GetInstance().m_LocalCoreStartupParameter.iRenderWindowXPos;

diff --git a/Source/Core/VideoBackends/D3D/Render.cpp b/Source/Core/VideoBackends/D3D/Render.cpp
@@ -179,10 +179,6 @@ void CreateScreenshotTexture(const TargetRectangle& rc)
 
 Renderer::Renderer(void *&window_handle)
 {
-	int x, y, w_temp, h_temp;
-
-	Host_GetRenderWindowSize(x, y, w_temp, h_temp);
-
 	D3D::Create((HWND)window_handle);
 
 	s_backbuffer_width = D3D::GetBackBufferWidth();

diff --git a/Source/UnitTests/TestUtils/StubHost.cpp b/Source/UnitTests/TestUtils/StubHost.cpp
@@ -15,12 +15,9 @@ void Host_RefreshDSPDebuggerWindow() {}
 void Host_ShowJitResults(unsigned int) {}
 void Host_Message(int) {}
 void* Host_GetRenderHandle() { return nullptr; }
-void* Host_GetInstance() { return nullptr; }
 void Host_UpdateTitle(const std::string&) {}
-void Host_UpdateLogDisplay() {}
 void Host_UpdateDisasmDialog() {}
 void Host_UpdateMainFrame() {}
-void Host_UpdateBreakPointView() {}
 void Host_GetRenderWindowSize(int&, int&, int&, int&) {}
 void Host_RequestRenderWindowSize(int, int) {}
 void Host_SetStartupDebuggingParameters() {}