diff --git a/src/app/AttributeAccessInterface.h b/src/app/AttributeAccessInterface.h
index 2b16392e107fb1..8b4ec3a0c91d47 100644
--- a/src/app/AttributeAccessInterface.h
+++ b/src/app/AttributeAccessInterface.h
@@ -370,11 +370,6 @@ class AttributeValueDecoder
         return CHIP_NO_ERROR;
     }
 
-    /**
-     * Is the next element of the stream NULL.
-     */
-    bool WillDecodeNull() const { return mReader.GetType() == TLV::kTLVType_Null; }
-
     bool TriedDecode() const { return mTriedDecode; }
 
     /**