diff --git a/frontend/app/contexts/simulator-context.tsx b/frontend/app/contexts/simulator-context.tsx
index 169b88ed..47585ea9 100644
--- a/frontend/app/contexts/simulator-context.tsx
+++ b/frontend/app/contexts/simulator-context.tsx
@@ -65,6 +65,9 @@ export const useClientChairNotification = (id?: string) => {
           setNotification(json ? { ...json, contentType: "json" } : undefined);
         }
       } catch (error) {
+        if (error instanceof DOMException && error.name === "AbortError") {
+          return;
+        }
         console.error(error);
       }
     };
@@ -159,6 +162,9 @@ export const useClientChairNotification = (id?: string) => {
         });
         timeoutId = setTimeout(() => void polling(), retryAfterMs);
       } catch (error) {
+        if (error instanceof DOMException && error.name === "AbortError") {
+          return;
+        }
         console.error(error);
       }
     };
@@ -195,7 +201,7 @@ export const SimulatorProvider = ({ children }: { children: ReactNode }) => {
     }
   }, []);
 
-  const request = useClientChairNotification(simulateChairData?.id);
+  const chairNotification = useClientChairNotification(simulateChairData?.id);
 
   const [currentCoodinate, setCurrentCoordinate] = useState<Coordinate>(() => {
     const coordinate = getSimulatorCurrentCoordinate();
@@ -208,7 +214,7 @@ export const SimulatorProvider = ({ children }: { children: ReactNode }) => {
         targetChair: simulateChairData
           ? {
               ...simulateChairData,
-              chairNotification: request,
+              chairNotification,
               coordinateState: {
                 setter: setCurrentCoordinate,
                 coordinate: currentCoodinate,
diff --git a/frontend/app/contexts/user-context.tsx b/frontend/app/contexts/user-context.tsx
index 8a8d5db9..7c64a898 100644
--- a/frontend/app/contexts/user-context.tsx
+++ b/frontend/app/contexts/user-context.tsx
@@ -163,6 +163,9 @@ export const useClientAppRequest = (accessToken: string, id?: string) => {
         });
         timeoutId = setTimeout(() => void polling(), retryAfterMs);
       } catch (error) {
+        if (error instanceof DOMException && error.name === "AbortError") {
+          return;
+        }
         if (isClientApiError(error)) {
           console.error(error.message);
         }
diff --git a/frontend/app/routes/client._index/route.tsx b/frontend/app/routes/client._index/route.tsx
index b9cdbbb9..6e853696 100644
--- a/frontend/app/routes/client._index/route.tsx
+++ b/frontend/app/routes/client._index/route.tsx
@@ -89,26 +89,19 @@ export default function Index() {
     if (!currentLocation || !destLocation) {
       return;
     }
-    const abortController = new AbortController();
-    fetchAppPostRidesEstimatedFare(
-      {
-        body: {
-          pickup_coordinate: currentLocation,
-          destination_coordinate: destLocation,
-        },
+    fetchAppPostRidesEstimatedFare({
+      body: {
+        pickup_coordinate: currentLocation,
+        destination_coordinate: destLocation,
       },
-      abortController.signal,
-    )
+    })
       .then((res) =>
         setEstimatePrice({ fare: res.fare, discount: res.discount }),
       )
-      .catch((err) => {
-        console.error(err);
+      .catch((error) => {
+        console.error(error);
         setEstimatePrice(undefined);
       });
-    return () => {
-      abortController.abort();
-    };
   }, [currentLocation, destLocation]);
 
   const handleRideRequest = useCallback(async () => {
@@ -150,6 +143,9 @@ export default function Index() {
         });
         setDisplayedChairs(chairs);
       } catch (error) {
+        if (error instanceof DOMException && error.name === "AbortError") {
+          return;
+        }
         console.error(error);
       }
     };
diff --git a/frontend/app/routes/client.history/route.tsx b/frontend/app/routes/client.history/route.tsx
index 878a9722..467a30b9 100644
--- a/frontend/app/routes/client.history/route.tsx
+++ b/frontend/app/routes/client.history/route.tsx
@@ -22,18 +22,14 @@ export default function Index() {
   const [rides, setRides] = useState<Ride[]>([]);
 
   useEffect(() => {
-    const abortController = new AbortController();
     void (async () => {
       try {
-        const res = await fetchAppGetRides({}, abortController.signal);
+        const res = await fetchAppGetRides({});
         setRides(res.rides);
       } catch (error) {
         console.error(error);
       }
     })();
-    return () => {
-      abortController.abort();
-    };
   }, []);
 
   return (
diff --git a/frontend/app/routes/owner.sales/route.tsx b/frontend/app/routes/owner.sales/route.tsx
index f44a1f36..6beef6f3 100644
--- a/frontend/app/routes/owner.sales/route.tsx
+++ b/frontend/app/routes/owner.sales/route.tsx
@@ -45,27 +45,20 @@ export default function Index() {
     const since = salesDate?.since;
     const until = salesDate?.until;
     if (!since || !until) return;
-    let abortController: AbortController | undefined;
     void (async () => {
       try {
-        abortController = new AbortController();
         setSales(
-          await fetchOwnerGetSales(
-            {
-              queryParams: {
-                until: timestamp(until),
-                since: timestamp(since),
-              },
+          await fetchOwnerGetSales({
+            queryParams: {
+              until: timestamp(until),
+              since: timestamp(since),
             },
-            abortController.signal,
-          ),
+          }),
         );
       } catch (error) {
         console.error(error);
       }
     })();
-
-    return () => abortController?.abort();
   }, [salesDate, setSales]);
 
   const chairModelMap = useMemo(