diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager.h b/arch/arm/mach-socfpga/include/mach/clock_manager.h
index 2f9b471af3..d0b172a30e 100644
--- a/arch/arm/mach-socfpga/include/mach/clock_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/clock_manager.h
@@ -12,6 +12,7 @@ phys_addr_t socfpga_get_clkmgr_addr(void);
 void cm_wait_for_lock(u32 mask);
 int cm_wait_for_fsm(void);
 void cm_print_clock_quick_summary(void);
+unsigned long cm_get_mpu_clk_hz(void);
 unsigned int cm_get_qspi_controller_clk_hz(void);
 
 #if defined(CONFIG_TARGET_SOCFPGA_SOC64)
diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager_agilex.h b/arch/arm/mach-socfpga/include/mach/clock_manager_agilex.h
index 386e82a4e3..4feae3dda9 100644
--- a/arch/arm/mach-socfpga/include/mach/clock_manager_agilex.h
+++ b/arch/arm/mach-socfpga/include/mach/clock_manager_agilex.h
@@ -6,8 +6,6 @@
 #ifndef _CLOCK_MANAGER_AGILEX_
 #define _CLOCK_MANAGER_AGILEX_
 
-unsigned long cm_get_mpu_clk_hz(void);
-
 #include <asm/arch/clock_manager_soc64.h>
 #include "../../../../../drivers/clk/altera/clk-agilex.h"
 
diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager_arria10.h b/arch/arm/mach-socfpga/include/mach/clock_manager_arria10.h
index 798d3741bd..553ebe660d 100644
--- a/arch/arm/mach-socfpga/include/mach/clock_manager_arria10.h
+++ b/arch/arm/mach-socfpga/include/mach/clock_manager_arria10.h
@@ -68,7 +68,6 @@ int cm_basic_init(const void *blob);
 
 #include <linux/bitops.h>
 unsigned int cm_get_l4_sp_clk_hz(void);
-unsigned long cm_get_mpu_clk_hz(void);
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h b/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h
index 4cc1268b4c..d53095a7da 100644
--- a/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h
+++ b/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h
@@ -96,7 +96,6 @@ struct cm_config {
 #define CLKMGR_PERPLL_EN			CLKMGR_GEN5_PERPLL_EN
 
 /* Clock speed accessors */
-unsigned long cm_get_mpu_clk_hz(void);
 unsigned long cm_get_sdram_clk_hz(void);
 unsigned int cm_get_l4_sp_clk_hz(void);
 unsigned int cm_get_mmc_controller_clk_hz(void);
diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager_s10.h b/arch/arm/mach-socfpga/include/mach/clock_manager_s10.h
index 98c3bf1b03..7f10296dc7 100644
--- a/arch/arm/mach-socfpga/include/mach/clock_manager_s10.h
+++ b/arch/arm/mach-socfpga/include/mach/clock_manager_s10.h
@@ -11,7 +11,6 @@
 #include <linux/bitops.h>
 
 /* Clock speed accessors */
-unsigned long cm_get_mpu_clk_hz(void);
 unsigned long cm_get_sdram_clk_hz(void);
 unsigned int cm_get_l4_sp_clk_hz(void);
 unsigned int cm_get_mmc_controller_clk_hz(void);