diff --git a/mediapipe/tasks/ios/test/vision/object_detector/MPPObjectDetectorTests.m b/mediapipe/tasks/ios/test/vision/object_detector/MPPObjectDetectorTests.m
index d3407874..d3b81703 100644
--- a/mediapipe/tasks/ios/test/vision/object_detector/MPPObjectDetectorTests.m
+++ b/mediapipe/tasks/ios/test/vision/object_detector/MPPObjectDetectorTests.m
@@ -664,7 +664,9 @@ static const float scoreDifferenceTolerance = 0.02f;
                             @"INVALID_ARGUMENT: Input timestamp must be monotonically increasing."
                       }];
   AssertEqualErrors(error, expectedError);
-  [self waitForExpectations:@[ expectation ] timeout:1.0];
+
+  NSTimeInterval timeout = 0.5f;
+  [self waitForExpectations:@[ expectation ] timeout:timeout];
 }
 
 - (void)testDetectWithLiveStreamModeSucceeds {
@@ -715,7 +717,8 @@ static const float scoreDifferenceTolerance = 0.02f;
     XCTAssertTrue([objectDetector detectAsyncInImage:image timestampInMilliseconds:i error:nil]);
   }
 
-  [self waitForExpectations:@[ expectation ] timeout:0.5f];
+  NSTimeInterval timeout = 0.5f;
+  [self waitForExpectations:@[ expectation ] timeout:timeout];
 }
 
 @end