diff --git a/RxExample/RxExample.xcodeproj/project.pbxproj b/RxExample/RxExample.xcodeproj/project.pbxproj
index 573775bf..3ae044b4 100644
--- a/RxExample/RxExample.xcodeproj/project.pbxproj
+++ b/RxExample/RxExample.xcodeproj/project.pbxproj
@@ -1317,7 +1317,6 @@
 				PRODUCT_NAME = RxExample;
 				SDKROOT = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1360,7 +1359,6 @@
 				OTHER_SWIFT_FLAGS = "-D RELEASE";
 				PRODUCT_NAME = RxExample;
 				SDKROOT = "";
-				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};
@@ -1377,7 +1375,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.rx.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "RxExample-iOS";
 				SDKROOT = iphoneos;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -1393,7 +1390,6 @@
 				PRODUCT_NAME = "RxExample-iOS";
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -1511,7 +1507,6 @@
 				OTHER_SWIFT_FLAGS = "-D TRACE_RESOURCES";
 				PRODUCT_NAME = RxExample;
 				SDKROOT = "";
-				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};
@@ -1529,7 +1524,6 @@
 				PRODUCT_NAME = "RxExample-iOS";
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 3.0;
 			};
 			name = "Release-Tests";
 		};