diff --git a/GoogleSignIn/Tests/Unit/GIDFakeFetcherService.m b/GoogleSignIn/Tests/Unit/GIDFakeFetcherService.m
index 002a9172..99f76eda 100644
--- a/GoogleSignIn/Tests/Unit/GIDFakeFetcherService.m
+++ b/GoogleSignIn/Tests/Unit/GIDFakeFetcherService.m
@@ -20,10 +20,6 @@ @implementation GIDFakeFetcherService {
   NSMutableArray *_fetchers;
 }
 
-@synthesize delegateQueue;
-@synthesize callbackQueue;
-@synthesize reuseSession;
-
 - (instancetype)init {
   self = [super init];
   if (self) {
@@ -75,4 +71,22 @@ - (NSDate *)stoppedAllFetchersDate {
   return nil;
 }
 
+- (dispatch_queue_t)callbackQueue {
+  return nil;
+}
+
+- (void)setCallbackQueue:(dispatch_queue_t)callbackQueue {
+}
+
+- (NSOperationQueue *)delegateQueue {
+  return nil;
+}
+
+- (BOOL)reuseSession {
+  return NO;
+}
+
+- (void)setReuseSession:(BOOL)reuseSession {
+}
+
 @end