diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme
index 0086ec75..b9050593 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme	
@@ -50,7 +50,6 @@
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
-      enableAddressSanitizer = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
       <MacroExpansion>
@@ -63,11 +62,6 @@
          </BuildableReference>
       </MacroExpansion>
       <AdditionalOptions>
-         <AdditionalOption
-            key = "NSZombieEnabled"
-            value = "YES"
-            isEnabled = "YES">
-         </AdditionalOption>
       </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme
index da050027..73e3e0ae 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme	
@@ -49,7 +49,6 @@
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
-      enableAddressSanitizer = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
       <MacroExpansion>
@@ -62,11 +61,6 @@
          </BuildableReference>
       </MacroExpansion>
       <AdditionalOptions>
-         <AdditionalOption
-            key = "NSZombieEnabled"
-            value = "YES"
-            isEnabled = "YES">
-         </AdditionalOption>
       </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme
index 5083097f..920fa994 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme	
@@ -49,7 +49,6 @@
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
-      enableAddressSanitizer = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
       <MacroExpansion>
@@ -62,11 +61,6 @@
          </BuildableReference>
       </MacroExpansion>
       <AdditionalOptions>
-         <AdditionalOption
-            key = "NSZombieEnabled"
-            value = "YES"
-            isEnabled = "YES">
-         </AdditionalOption>
       </AdditionalOptions>
    </LaunchAction>
    <ProfileAction