diff --git a/arch/arm/cpu/armv8/zynqmp/clk.c b/arch/arm/cpu/armv8/zynqmp/clk.c
index 690c72d..f7e5ebf 100644
--- a/arch/arm/cpu/armv8/zynqmp/clk.c
+++ b/arch/arm/cpu/armv8/zynqmp/clk.c
@@ -12,22 +12,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-unsigned long get_uart_clk(int dev_id)
-{
-	u32 ver = zynqmp_get_silicon_version();
-
-	switch (ver) {
-	case ZYNQMP_CSU_VERSION_VELOCE:
-		return 48000;
-	case ZYNQMP_CSU_VERSION_EP108:
-		return 25000000;
-	case ZYNQMP_CSU_VERSION_QEMU:
-		return 133000000;
-	}
-
-	return 100000000;
-}
-
 unsigned long zynqmp_get_system_timer_freq(void)
 {
 	u32 ver = zynqmp_get_silicon_version();
diff --git a/arch/arm/include/asm/arch-zynqmp/clk.h b/arch/arm/include/asm/arch-zynqmp/clk.h
index b18333d..bfd53b5 100644
--- a/arch/arm/include/asm/arch-zynqmp/clk.h
+++ b/arch/arm/include/asm/arch-zynqmp/clk.h
@@ -8,7 +8,6 @@
 #ifndef _ASM_ARCH_CLK_H_
 #define _ASM_ARCH_CLK_H_
 
-unsigned long get_uart_clk(int dev_id);
 unsigned long zynqmp_get_system_timer_freq(void);
 
 #endif /* _ASM_ARCH_CLK_H_ */