diff --git a/packages/query-core/src/query.ts b/packages/query-core/src/query.ts
index 6005bda0d3..b29b64c0e3 100644
--- a/packages/query-core/src/query.ts
+++ b/packages/query-core/src/query.ts
@@ -389,7 +389,7 @@ export class Query<
   ): Promise<TData> {
     if (
       this.state.fetchStatus !== 'idle' &&
-      // If the promise in the retyer is already rejected, we have to definitely
+      // If the promise in the retryer is already rejected, we have to definitely
       // re-start the fetch; there is a chance that the query is still in a
       // pending state when that happens
       this.#retryer?.status() !== 'rejected'
@@ -735,7 +735,7 @@ function getDefaultState<
 
   const initialDataUpdatedAt = hasData
     ? typeof options.initialDataUpdatedAt === 'function'
-      ? (options.initialDataUpdatedAt as () => number | undefined)()
+      ? options.initialDataUpdatedAt()
       : options.initialDataUpdatedAt
     : 0
 
diff --git a/packages/query-core/src/queryObserver.ts b/packages/query-core/src/queryObserver.ts
index c05c25450c..463407a073 100644
--- a/packages/query-core/src/queryObserver.ts
+++ b/packages/query-core/src/queryObserver.ts
@@ -26,7 +26,6 @@ import type {
   QueryObserverBaseResult,
   QueryObserverOptions,
   QueryObserverResult,
-  QueryOptions,
   RefetchOptions,
 } from './types'
 
@@ -341,7 +340,7 @@ export class QueryObserver<
 
     // Fetch
     let promise: Promise<TQueryData | undefined> = this.#currentQuery.fetch(
-      this.options as QueryOptions<TQueryFnData, TError, TQueryData, TQueryKey>,
+      this.options,
       fetchOptions,
     )
 
@@ -545,7 +544,7 @@ export class QueryObserver<
     }
 
     if (this.#selectError) {
-      error = this.#selectError as any
+      error = this.#selectError
       data = this.#selectResult
       errorUpdatedAt = Date.now()
       status = 'error'
diff --git a/packages/query-devtools/src/Devtools.tsx b/packages/query-devtools/src/Devtools.tsx
index cceec7a3de..f21ff143a4 100644
--- a/packages/query-devtools/src/Devtools.tsx
+++ b/packages/query-devtools/src/Devtools.tsx
@@ -76,7 +76,6 @@ import type {
   Query,
   QueryCache,
   QueryCacheNotifyEvent,
-  QueryState,
 } from '@tanstack/query-core'
 import type { StorageObject, StorageSetter } from '@solid-primitives/storage'
 import type { Accessor, Component, JSX, Setter } from 'solid-js'
@@ -1963,7 +1962,7 @@ const QueryDetails = () => {
         ...activeQueryVal.state.fetchMeta,
         __previousQueryOptions,
       } as any,
-    } as QueryState<unknown, Error>)
+    })
   }
 
   const restoreQueryAfterLoadingOrError = () => {
@@ -2199,7 +2198,7 @@ const QueryDetails = () => {
                     ...activeQueryVal.state.fetchMeta,
                     __previousQueryOptions,
                   } as any,
-                } as QueryState<unknown, Error>)
+                })
               }
             }}
           >