diff --git a/.travis.yml b/.travis.yml
index 95362b710..f4e34d76d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,7 +64,7 @@ matrix:
       script:
         - cd iOS/Sample
         - IPHONESIMULATOR=$(xcodebuild -showsdks | grep -o "iphonesimulator[0-9]\\+\\.[0-9]\\+$")
-        - travis_wait 30 xcodebuild clean build -workspace Sample.xcworkspace -scheme Sample -sdk $IPHONESIMULATOR -quiet > ./build.log
+        - travis_wait 30 xcodebuild build -workspace Sample.xcworkspace -scheme Sample -sdk $IPHONESIMULATOR -quiet > ./build.log
         - tail -100 ./build.log
 
     - language: objective-c
@@ -88,7 +88,7 @@ matrix:
       script:
         - cd iOS/SampleSwift
         - IPHONESIMULATOR=$(xcodebuild -showsdks | grep -o "iphonesimulator[0-9]\\+\\.[0-9]\\+$")
-        - travis_wait xcodebuild clean build -workspace SampleSwift.xcworkspace -scheme SampleSwift -sdk $IPHONESIMULATOR -quiet > ./build.log
+        - travis_wait xcodebuild build -workspace SampleSwift.xcworkspace -scheme SampleSwift -sdk $IPHONESIMULATOR -quiet > ./build.log
         - tail -100 ./build.log
 
     - language: android