diff --git a/WickedEngine/wiGraphicsDevice_DX12.cpp b/WickedEngine/wiGraphicsDevice_DX12.cpp
index c9318d547..e9c85e7ea 100644
--- a/WickedEngine/wiGraphicsDevice_DX12.cpp
+++ b/WickedEngine/wiGraphicsDevice_DX12.cpp
@@ -5617,14 +5617,6 @@ using namespace dx12_internal;
 	{
 		allocationhandler->destroylocker.lock();
 
-		rootsignature_cache_mutex.lock();
-		for (auto& x : rootsignature_cache)
-		{
-			if (x.second) allocationhandler->destroyer_rootSignatures.push_back(std::make_pair(x.second, FRAMECOUNT));
-		}
-		rootsignature_cache.clear();
-		rootsignature_cache_mutex.unlock();
-
 		for (auto& x : pipelines_global)
 		{
 			allocationhandler->destroyer_pipelines.push_back(std::make_pair(x.second, FRAMECOUNT));
diff --git a/WickedEngine/wiGraphicsDevice_DX12.h b/WickedEngine/wiGraphicsDevice_DX12.h
index 29e7d7ee0..12d7802ef 100644
--- a/WickedEngine/wiGraphicsDevice_DX12.h
+++ b/WickedEngine/wiGraphicsDevice_DX12.h
@@ -39,7 +39,7 @@ namespace wi::graphics
 
 #ifndef PLATFORM_UWP
 		Microsoft::WRL::ComPtr<ID3D12Fence> deviceRemovedFence;
-		HANDLE deviceRemovedWaitHandle;
+		HANDLE deviceRemovedWaitHandle = {};
 #endif
 		std::mutex onDeviceRemovedMutex;
 		bool deviceRemoved = false;
@@ -212,10 +212,6 @@ namespace wi::graphics
 			return *(CommandList_DX12*)cmd.internal_state;
 		}
 
-
-		mutable wi::unordered_map<size_t, Microsoft::WRL::ComPtr<ID3D12RootSignature>> rootsignature_cache;
-		mutable std::mutex rootsignature_cache_mutex;
-
 		wi::unordered_map<size_t, Microsoft::WRL::ComPtr<ID3D12PipelineState>> pipelines_global;
 
 		void pso_validate(CommandList cmd);
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index 9690126fb..e7283b0d4 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 258;
+	const int revision = 259;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);