diff --git a/reactos/subsystems/win32/win32k/ntuser/hook.c b/reactos/subsystems/win32/win32k/ntuser/hook.c
index 41e9d476bf9..40d847b12ae 100644
--- a/reactos/subsystems/win32/win32k/ntuser/hook.c
+++ b/reactos/subsystems/win32/win32k/ntuser/hook.c
@@ -77,7 +77,6 @@ IntCallLowLevelHook( PHOOK Hook,
        case WH_KEYBOARD:
           uTimeout = 200;
           Block = TRUE;
-          Size = sizeof(KBDLLHOOKSTRUCT);
           break;
     }