diff --git a/drivers/soc/rockchip/rk_fiq_debugger.c b/drivers/soc/rockchip/rk_fiq_debugger.c
index 2e1f320ccd1d..c1f45343ef25 100755
--- a/drivers/soc/rockchip/rk_fiq_debugger.c
+++ b/drivers/soc/rockchip/rk_fiq_debugger.c
@@ -763,6 +763,12 @@ static int __init rk_fiqdbg_init(void)
 }
 subsys_initcall(rk_fiqdbg_init); /* after of_platform_default_populate_init */
 
+static void __exit rk_fiqdbg_exit(void)
+{
+	platform_driver_unregister(&rk_fiqdbg_driver);
+}
+module_exit(rk_fiqdbg_exit);
+
 MODULE_AUTHOR("Huibin Hong <huibin.hong@rock-chips.com>");
 MODULE_DESCRIPTION("Rockchip FIQ Debugger");
 MODULE_LICENSE("GPL");
diff --git a/include/linux/soc/rockchip/rk_fiq_debugger.h b/include/linux/soc/rockchip/rk_fiq_debugger.h
index 0398974d2e13..fc39cf3ce22f 100644
--- a/include/linux/soc/rockchip/rk_fiq_debugger.h
+++ b/include/linux/soc/rockchip/rk_fiq_debugger.h
@@ -2,19 +2,6 @@
 #ifndef __PLAT_RK_FIQ_DEBUGGER_H
 #define __PLAT_RK_FIQ_DEBUGGER_H
 
-#ifdef CONFIG_FIQ_DEBUGGER
-void rk_serial_debug_init(void __iomem *base, phys_addr_t phy_base,
-			  int irq, int signal_irq,
-			  int wakeup_irq, unsigned int baudrate);
-#else
-static inline void
-void rk_serial_debug_init(void __iomem *base, phys_addr_t phy_base,
-			  int irq, int signal_irq,
-			  int wakeup_irq, unsigned int baudrate)
-{
-}
-#endif
-
 #ifdef CONFIG_FIQ_DEBUGGER_TRUST_ZONE
 void fiq_debugger_fiq(void *regs, u32 cpu);
 #endif