diff --git a/src/libs/dutil/thmutil.cpp b/src/libs/dutil/thmutil.cpp
index e56af9d4d..6679769bc 100644
--- a/src/libs/dutil/thmutil.cpp
+++ b/src/libs/dutil/thmutil.cpp
@@ -356,9 +356,6 @@ DAPI_(HRESULT) ThemeLoadFromResource(
     hr = ResReadData(hModule, szResource, &pvResource, &cbResource);
     ExitOnFailure(hr, "Failed to read theme from resource.");
 
-    // Ensure returned resource buffer is null-terminated.
-    reinterpret_cast<BYTE *>(pvResource)[cbResource - 1] = '\0';
-
     hr = StrAllocStringAnsi(&sczXml, reinterpret_cast<LPCSTR>(pvResource), cbResource, CP_UTF8);
     ExitOnFailure(hr, "Failed to convert XML document data from UTF-8 to unicode string.");