diff --git a/.gdbinit b/.gdbinit
index 408b099da84..d60f214bf76 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -610,79 +610,6 @@ document zbacktrace
 	> (gdb) dump_bt $eg.current_execute_data
 end
 
-define zmemcheck
-	set $p = alloc_globals.head
-	set $stat = "?"
-	set $total_size = 0
-	if $arg0 != 0
-		set $not_found = 1
-	else
-		set $not_found = 0
-	end
-	printf " block      size      status file:line\n"
-	printf "-------------------------------------------------------------------------------\n"
-	while $p
-		set $aptr = $p + sizeof(struct _zend_mem_header) + sizeof(align_test)
-		if $arg0 == 0 || (void *)$aptr == (void *)$arg0
-			if $p->magic == 0x7312f8dc 
-				set $stat = "OK"
-			end
-			if $p->magic == 0x99954317
-				set $stat = "FREED"
-			end
-			if $p->magic == 0xfb8277dc
-				set $stat = "CACHED"
-			end
-			set $filename = strrchr($p->filename->val, '/')
-			if !$filename
-				set $filename = $p->filename->val
-			else
-				set $filename = $filename + 1
-			end
-			printf " %p ", $aptr
-			if $p->size == sizeof(struct _zval_struct) && ((struct _zval_struct *)$aptr)->type >= 0 && ((struct _zval_struct *)$aptr)->type < 10
-				printf "ZVAL?(%-2d) ", $p->size
-			else
-				printf "%-9d ", $p->size
-			end
-			set $total_size = $total_size + $p->size
-			printf "%-06s %s:%d", $stat, $filename, $p->lineno
-			if $p->orig_filename
-				set $orig_filename = strrchr($p->orig_filename, '/')
-				if !$orig_filename
-					set $orig_filename = $p->orig_filename
-				else
-					set $orig_filename = $orig_filename + 1
-				end
-				printf " <= %s:%d\n", $orig_filename, $p->orig_lineno
-			else
-				printf "\n"
-			end
-			if $arg0 != 0
-				set $p = 0
-				set $not_found = 0
-			else
-				set $p = $p->pNext
-			end
-		else
-			set $p = $p->pNext
-		end
-	end
-	if $not_found
-		printf "no such block that begins at %p.\n", $aptr
-	end
-	if $arg0 == 0
-		printf "-------------------------------------------------------------------------------\n"
-		printf "     total: %d bytes\n", $total_size
-	end
-end
-
-document zmemcheck
-	show status of a memory block.
-	usage: zmemcheck [ptr].
-	if ptr is 0, all blocks will be listed.
-end
-
 define lookup_root
 	set $found = 0
 	if gc_globals->roots