diff --git a/clang/utils/TableGen/SveEmitter.cpp b/clang/utils/TableGen/SveEmitter.cpp
index b8a1fb4bab0f49..e7bc63f0af903c 100644
--- a/clang/utils/TableGen/SveEmitter.cpp
+++ b/clang/utils/TableGen/SveEmitter.cpp
@@ -90,6 +90,8 @@ class SVEType {
     NumVectors = NumV;
   }
 
+  SVEType &operator=(const SVEType &) = delete;
+
   bool isPointer() const { return Pointer; }
   bool isVoidPointer() const { return Pointer && Void; }
   bool isSigned() const { return Signed; }