diff --git a/Passepartout.xcodeproj/project.pbxproj b/Passepartout.xcodeproj/project.pbxproj
index 8172c377..f8157e2a 100644
--- a/Passepartout.xcodeproj/project.pbxproj
+++ b/Passepartout.xcodeproj/project.pbxproj
@@ -1305,7 +1305,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.algoritmico.ios.PassepartoutCore;
 				PRODUCT_NAME = PassepartoutCore;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1336,7 +1335,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.algoritmico.ios.PassepartoutCore;
 				PRODUCT_NAME = PassepartoutCore;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1359,7 +1357,6 @@
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.algoritmico.ios.PassepartoutCoreTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1379,7 +1376,6 @@
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.algoritmico.ios.PassepartoutCoreTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -1447,7 +1443,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -1507,7 +1503,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -1531,7 +1527,6 @@
 				PRODUCT_NAME = Passepartout;
 				PROVISIONING_PROFILE_SPECIFIER = "match Development com.algoritmico.ios.Passepartout";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1554,7 +1549,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "$(CFG_APP_ID)";
 				PRODUCT_NAME = Passepartout;
 				PROVISIONING_PROFILE_SPECIFIER = "match Development com.algoritmico.ios.Passepartout";
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -1578,7 +1572,6 @@
 				PRODUCT_NAME = "Passepartout-Tunnel";
 				PROVISIONING_PROFILE_SPECIFIER = "match Development com.algoritmico.ios.Passepartout.Tunnel";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1601,7 +1594,6 @@
 				PRODUCT_NAME = "Passepartout-Tunnel";
 				PROVISIONING_PROFILE_SPECIFIER = "match Development com.algoritmico.ios.Passepartout.Tunnel";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;