diff --git a/numba_cuda/numba/cuda/typing/templates.py b/numba_cuda/numba/cuda/typing/templates.py
index d88075da0..fef4ef603 100644
--- a/numba_cuda/numba/cuda/typing/templates.py
+++ b/numba_cuda/numba/cuda/typing/templates.py
@@ -1359,18 +1359,10 @@ def __init__(self):
         self.globals = []
 
     def register(self, item):
-        assert issubclass(
-            item,
-            (FunctionTemplate, numba.core.typing.templates.FunctionTemplate),
-        )
         self.functions.append(item)
         return item
 
     def register_attr(self, item):
-        assert issubclass(
-            item,
-            (AttributeTemplate, numba.core.typing.templates.AttributeTemplate),
-        )
         self.attributes.append(item)
         return item