diff --git a/src/utils.ts b/src/utils.ts
index a2fc45a..5f07cf3 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -68,11 +68,11 @@ export function combineAsyncComparers<T>(first: MaybeAsyncComparer<T>, second: M
 }
 
 export function reverseComparer<T>(comparer: Comparer<T>): Comparer<T> {
-  return (a: T, b: T) => comparer(b, a);
+  return (a, b) => comparer(b, a);
 }
 
 export function reverseAsyncComparer<T>(comparer: MaybeAsyncComparer<T>): AsyncComparer<T> {
-  return async (a: T, b: T) => await comparer(b, a);
+  return async (a, b) => await comparer(b, a);
 }
 
 export function* asGenerator<T>(iterator: Iterator<T>) {