--- xnu/xnu-2050.18.24/iokit/Kernel/RootDomainUserClient.cpp
+++ xnu/xnu-1699.22.73/iokit/Kernel/RootDomainUserClient.cpp
@@ -36,7 +36,6 @@
 #include <IOKit/IOBufferMemoryDescriptor.h>
 #include "RootDomainUserClient.h"
 #include <IOKit/pwr_mgt/IOPMLibDefs.h>
-#include <IOKit/pwr_mgt/IOPMPrivate.h>
 
 #define super IOUserClient
 
@@ -308,12 +307,6 @@
         case kPMSetUserAssertionLevels:
             ret = this->secureSetUserAssertionLevels(
                         (uint32_t)arguments->scalarInput[0]);
-            break;
-            
-        case kPMActivityTickle:
-            fOwner->reportUserInput( );
-            fOwner->setProperty(kIOPMRootDomainWakeTypeKey, "UserActivity Assertion");
-            ret = kIOReturnSuccess;
             break;
             
 /*