diff --git a/infer/src/nullsafe/typeOrigin.ml b/infer/src/nullsafe/typeOrigin.ml
index 5cb3d9c9e..b0e152f41 100644
--- a/infer/src/nullsafe/typeOrigin.ml
+++ b/infer/src/nullsafe/typeOrigin.ml
@@ -38,8 +38,6 @@ and method_call_origin =
   ; annotated_signature: AnnotatedSignature.t
   ; is_library: bool }
 
-let equal = [%compare.equal: t]
-
 let get_nullability = function
   | NullConst _ ->
       Nullability.Null
diff --git a/infer/src/nullsafe/typeOrigin.mli b/infer/src/nullsafe/typeOrigin.mli
index e8e48e9a4..c78aeaacd 100644
--- a/infer/src/nullsafe/typeOrigin.mli
+++ b/infer/src/nullsafe/typeOrigin.mli
@@ -46,8 +46,6 @@ and method_call_origin =
   ; annotated_signature: AnnotatedSignature.t
   ; is_library: bool }
 
-val equal : t -> t -> bool
-
 val get_nullability : t -> Nullability.t
 
 val get_description : t -> string option