diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index 70bb73257647..5bcbced3f458 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -124,9 +124,6 @@ extern struct clk *mmp_clk_register_gate(struct device *dev, const char *name,
 			u32 val_disable, unsigned int gate_flags,
 			spinlock_t *lock);
 
-
-extern struct clk *mmp_clk_register_pll2(const char *name,
-		const char *parent_name, unsigned long flags);
 extern struct clk *mmp_clk_register_apbc(const char *name,
 		const char *parent_name, void __iomem *base,
 		unsigned int delay, unsigned int apbc_flags, spinlock_t *lock);