diff --git a/packages/toolkit/src/matchers.ts b/packages/toolkit/src/matchers.ts
index 6a5ccea09f..6cb6d194d6 100644
--- a/packages/toolkit/src/matchers.ts
+++ b/packages/toolkit/src/matchers.ts
@@ -12,11 +12,11 @@ import type {
 } from './createAsyncThunk'
 
 /** @public */
-export type ActionMatchingAnyOf<Matchers extends [...Matcher<any>[]]> =
+export type ActionMatchingAnyOf<Matchers extends Matcher<any>[]> =
   ActionFromMatcher<Matchers[number]>
 
 /** @public */
-export type ActionMatchingAllOf<Matchers extends [...Matcher<any>[]]> =
+export type ActionMatchingAllOf<Matchers extends Matcher<any>[]> =
   UnionToIntersection<ActionMatchingAnyOf<Matchers>>
 
 const matches = (matcher: Matcher<any>, action: any) => {
@@ -36,7 +36,7 @@ const matches = (matcher: Matcher<any>, action: any) => {
  *
  * @public
  */
-export function isAnyOf<Matchers extends [...Matcher<any>[]]>(
+export function isAnyOf<Matchers extends Matcher<any>[]>(
   ...matchers: Matchers
 ) {
   return (action: any): action is ActionMatchingAnyOf<Matchers> => {
@@ -53,7 +53,7 @@ export function isAnyOf<Matchers extends [...Matcher<any>[]]>(
  *
  * @public
  */
-export function isAllOf<Matchers extends [...Matcher<any>[]]>(
+export function isAllOf<Matchers extends Matcher<any>[]>(
   ...matchers: Matchers
 ) {
   return (action: any): action is ActionMatchingAllOf<Matchers> => {
@@ -136,18 +136,7 @@ export function isPending<
     return isPending()(asyncThunks[0])
   }
 
-  return (
-    action: any,
-  ): action is PendingActionFromAsyncThunk<AsyncThunks[number]> => {
-    // note: this type will be correct because we have at least 1 asyncThunk
-    const matchers: [Matcher<any>, ...Matcher<any>[]] = asyncThunks.map(
-      (asyncThunk) => asyncThunk.pending,
-    ) as any
-
-    const combinedMatcher = isAnyOf(...matchers)
-
-    return combinedMatcher(action)
-  }
+  return isAnyOf(...asyncThunks.map((asyncThunk) => asyncThunk.pending))
 }
 
 export type UnknownAsyncThunkRejectedAction = ReturnType<
@@ -199,18 +188,7 @@ export function isRejected<
     return isRejected()(asyncThunks[0])
   }
 
-  return (
-    action: any,
-  ): action is RejectedActionFromAsyncThunk<AsyncThunks[number]> => {
-    // note: this type will be correct because we have at least 1 asyncThunk
-    const matchers: [Matcher<any>, ...Matcher<any>[]] = asyncThunks.map(
-      (asyncThunk) => asyncThunk.rejected,
-    ) as any
-
-    const combinedMatcher = isAnyOf(...matchers)
-
-    return combinedMatcher(action)
-  }
+  return isAnyOf(...asyncThunks.map((asyncThunk) => asyncThunk.rejected))
 }
 
 export type UnknownAsyncThunkRejectedWithValueAction = ReturnType<
@@ -264,24 +242,14 @@ export function isRejectedWithValue<
   }
 
   if (asyncThunks.length === 0) {
-    return (action: any) => {
-      const combinedMatcher = isAllOf(isRejected(...asyncThunks), hasFlag)
-
-      return combinedMatcher(action)
-    }
+    return isAllOf(isRejected(...asyncThunks), hasFlag)
   }
 
   if (!isAsyncThunkArray(asyncThunks)) {
     return isRejectedWithValue()(asyncThunks[0])
   }
 
-  return (
-    action: any,
-  ): action is RejectedActionFromAsyncThunk<AsyncThunks[number]> => {
-    const combinedMatcher = isAllOf(isRejected(...asyncThunks), hasFlag)
-
-    return combinedMatcher(action)
-  }
+  return isAllOf(isRejected(...asyncThunks), hasFlag)
 }
 
 export type UnknownAsyncThunkFulfilledAction = ReturnType<
@@ -333,18 +301,7 @@ export function isFulfilled<
     return isFulfilled()(asyncThunks[0])
   }
 
-  return (
-    action: any,
-  ): action is FulfilledActionFromAsyncThunk<AsyncThunks[number]> => {
-    // note: this type will be correct because we have at least 1 asyncThunk
-    const matchers: [Matcher<any>, ...Matcher<any>[]] = asyncThunks.map(
-      (asyncThunk) => asyncThunk.fulfilled,
-    ) as any
-
-    const combinedMatcher = isAnyOf(...matchers)
-
-    return combinedMatcher(action)
-  }
+  return isAnyOf(...asyncThunks.map((asyncThunk) => asyncThunk.fulfilled))
 }
 
 export type UnknownAsyncThunkAction =
@@ -404,22 +361,5 @@ export function isAsyncThunkAction<
     return isAsyncThunkAction()(asyncThunks[0])
   }
 
-  return (
-    action: any,
-  ): action is ActionsFromAsyncThunk<AsyncThunks[number]> => {
-    // note: this type will be correct because we have at least 1 asyncThunk
-    const matchers: [Matcher<any>, ...Matcher<any>[]] = [] as any
-
-    for (const asyncThunk of asyncThunks) {
-      matchers.push(
-        asyncThunk.pending,
-        asyncThunk.rejected,
-        asyncThunk.fulfilled,
-      )
-    }
-
-    const combinedMatcher = isAnyOf(...matchers)
-
-    return combinedMatcher(action)
-  }
+  return isAnyOf(...asyncThunks.flatMap(asyncThunk => [asyncThunk.pending, asyncThunk.rejected, asyncThunk.fulfilled]))
 }