diff --git a/src/d3d11/d3d11_context_imm.cpp b/src/d3d11/d3d11_context_imm.cpp
index b4fb8a4f..0371f721 100644
--- a/src/d3d11/d3d11_context_imm.cpp
+++ b/src/d3d11/d3d11_context_imm.cpp
@@ -148,9 +148,6 @@ namespace dxvk {
       return E_INVALIDARG;
     }
     
-    if (pMappedResource == nullptr)
-      return S_FALSE;
-    
     if (MapType == D3D11_MAP_WRITE_DISCARD) {
       // Allocate a new backing slice for the buffer and set
       // it as the 'new' mapped slice. This assumes that the