diff --git a/repos/dde_linux/src/drivers/framebuffer/imx8/lx_emul_c.c b/repos/dde_linux/src/drivers/framebuffer/imx8/lx_emul_c.c
index 0ec36f6dda..3860b736c3 100644
--- a/repos/dde_linux/src/drivers/framebuffer/imx8/lx_emul_c.c
+++ b/repos/dde_linux/src/drivers/framebuffer/imx8/lx_emul_c.c
@@ -70,8 +70,6 @@ void lx_c_allocate_framebuffer(struct drm_device * dev,
 
 	c->lx_fb = fb;
 
-	memset_io(c->addr, 0, c->size);
-
 	return;
 
 err: