diff --git a/Userland/Libraries/LibJS/Runtime/PrimitiveString.h b/Userland/Libraries/LibJS/Runtime/PrimitiveString.h
index 91c778ac60..3950e22aee 100644
--- a/Userland/Libraries/LibJS/Runtime/PrimitiveString.h
+++ b/Userland/Libraries/LibJS/Runtime/PrimitiveString.h
@@ -34,7 +34,6 @@ public:
     PrimitiveString& operator=(PrimitiveString const&) = delete;
 
     bool is_empty() const;
-    u32 hash() const;
 
     ThrowCompletionOr<String> utf8_string() const;
     ThrowCompletionOr<StringView> utf8_string_view() const;