--- dyld/dyld-551.4/src/ImageLoaderMachOCompressed.cpp
+++ dyld/dyld-433.5/src/ImageLoaderMachOCompressed.cpp
@@ -35,7 +35,6 @@
 #include <sys/fcntl.h>
 #include <sys/stat.h> 
 #include <sys/param.h>
-#include <sys/sysctl.h>
 #include <mach/mach.h>
 #include <mach/thread_status.h>
 #include <mach-o/loader.h> 
@@ -62,12 +61,6 @@
 	struct macho_section			: public section  {};	
 	struct macho_routines_command	: public routines_command  {};	
 #endif
-
-#if __arm__ || __arm64__
-bool ImageLoaderMachOCompressed::sVmAccountingDisabled  = false;
-bool ImageLoaderMachOCompressed::sVmAccountingSuspended = false;
-#endif
-
 
 
 // create image for main executable
@@ -845,45 +838,8 @@
 	eachLazyBind(context, &ImageLoaderMachOCompressed::bindAt);
 }
 
-#if __arm__ || __arm64__
-int ImageLoaderMachOCompressed::vmAccountingSetSuspended(bool suspend, const LinkContext& context)
-{
-    if ( context.verboseBind )
-        dyld::log("vm.footprint_suspend=%d\n", suspend);
-    int newValue = suspend ? 1 : 0;
-    int oldValue = 0;
-    size_t newlen = sizeof(newValue);
-    size_t oldlen = sizeof(oldValue);
-    return sysctlbyname("vm.footprint_suspend", &oldValue, &oldlen, &newValue, newlen);
-}
-#endif
-
 void ImageLoaderMachOCompressed::eachBind(const LinkContext& context, bind_handler handler)
 {
-#if __arm__ || __arm64__
-    // <rdar://problem/29099600> dyld should tell the kernel when it is doing root fix-ups
-    if ( !sVmAccountingDisabled ) {
-        if ( fInSharedCache ) {
-            if ( !sVmAccountingSuspended ) {
-                int ret = vmAccountingSetSuspended(true, context);
-                if ( context.verboseBind && (ret != 0) )
-                    dyld::log("vm.footprint_suspend => %d, errno=%d\n", ret, errno);
-                if ( ret == 0 )
-                    sVmAccountingSuspended = true;
-                else
-                    sVmAccountingDisabled = true;
-            }
-        }
-        else if ( sVmAccountingSuspended ) {
-            int ret = vmAccountingSetSuspended(false, context);
-            if ( ret == 0 )
-                sVmAccountingSuspended = false;
-            else if ( errno == ENOENT )
-                sVmAccountingDisabled = true;
-        }
-    }
-#endif
-
 	try {
 		uint8_t type = 0;
 		int segmentIndex = -1;