Index: subsystems/win32/win32k/ntuser/hook.c
===================================================================
--- subsystems/win32/win32k/ntuser/hook.c	(revision 51013)
+++ subsystems/win32/win32k/ntuser/hook.c	(working copy)
@@ -77,7 +77,6 @@
        case WH_KEYBOARD:
           uTimeout = 200;
           Block = TRUE;
-          Size = sizeof(KBDLLHOOKSTRUCT);
           break;
     }