diff --git a/FirebaseMessaging/CHANGELOG.md b/FirebaseMessaging/CHANGELOG.md
index 01f2f55fc60..1da0faa5737 100644
--- a/FirebaseMessaging/CHANGELOG.md
+++ b/FirebaseMessaging/CHANGELOG.md
@@ -1,3 +1,6 @@
+# Unreleased
+- [fixed] Don't cache FCM registration token operations. (#14352).
+
 # 11.5.0
 - [fixed] Improve token-fetch failure logging with detailed error info. (#13997).
 
diff --git a/FirebaseMessaging/Sources/Token/FIRMessagingTokenDeleteOperation.m b/FirebaseMessaging/Sources/Token/FIRMessagingTokenDeleteOperation.m
index cd785c20f50..ae0097c2c7b 100644
--- a/FirebaseMessaging/Sources/Token/FIRMessagingTokenDeleteOperation.m
+++ b/FirebaseMessaging/Sources/Token/FIRMessagingTokenDeleteOperation.m
@@ -77,7 +77,7 @@ - (void)performTokenOperation {
         [self handleResponseWithData:data response:response error:error];
       };
 
-  NSURLSessionConfiguration *config = NSURLSessionConfiguration.defaultSessionConfiguration;
+  NSURLSessionConfiguration *config = NSURLSessionConfiguration.ephemeralSessionConfiguration;
   config.timeoutIntervalForResource = 60.0f;  // 1 minute
   NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
   self.dataTask = [session dataTaskWithRequest:request completionHandler:requestHandler];
diff --git a/FirebaseMessaging/Sources/Token/FIRMessagingTokenFetchOperation.m b/FirebaseMessaging/Sources/Token/FIRMessagingTokenFetchOperation.m
index 0bc1e79c3b0..a6ecc95c3db 100644
--- a/FirebaseMessaging/Sources/Token/FIRMessagingTokenFetchOperation.m
+++ b/FirebaseMessaging/Sources/Token/FIRMessagingTokenFetchOperation.m
@@ -108,7 +108,7 @@ - (void)performTokenOperation {
         FIRMessaging_STRONGIFY(self);
         [self handleResponseWithData:data response:response error:error];
       };
-  NSURLSessionConfiguration *config = NSURLSessionConfiguration.defaultSessionConfiguration;
+  NSURLSessionConfiguration *config = NSURLSessionConfiguration.ephemeralSessionConfiguration;
   config.timeoutIntervalForResource = 60.0f;  // 1 minute
   NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
   self.dataTask = [session dataTaskWithRequest:request completionHandler:requestHandler];