diff --git a/llvm/include/llvm/ADT/ArrayRef.h b/llvm/include/llvm/ADT/ArrayRef.h
index ff8bdb8b4fec4..fb91690bb0eb3 100644
--- a/llvm/include/llvm/ADT/ArrayRef.h
+++ b/llvm/include/llvm/ADT/ArrayRef.h
@@ -317,10 +317,6 @@ namespace llvm {
     /// Construct an empty MutableArrayRef.
     /*implicit*/ MutableArrayRef() = default;
 
-    /// Construct an empty MutableArrayRef from std::nullopt.
-    /*implicit*/ LLVM_DEPRECATED("Use {} or MutableArrayRef<T>() instead", "{}")
-    MutableArrayRef(std::nullopt_t) : ArrayRef<T>() {}
-
     /// Construct a MutableArrayRef from a single element.
     /*implicit*/ MutableArrayRef(T &OneElt) : ArrayRef<T>(OneElt) {}