diff --git a/drivers/arm/tzc400/tzc400.c b/drivers/arm/tzc400/tzc400.c
deleted file mode 100644
index ff2ebc7..0000000
--- a/drivers/arm/tzc400/tzc400.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#if ERROR_DEPRECATED
-#error "Using deprecated TZC-400 source file"
-#else
-#include "../tzc/tzc400.c"
-#endif /* ERROR_DEPRECATED */
diff --git a/include/drivers/arm/tzc400.h b/include/drivers/arm/tzc400.h
index 7f354f8..095099c 100644
--- a/include/drivers/arm/tzc400.h
+++ b/include/drivers/arm/tzc400.h
@@ -86,16 +86,6 @@
 				TZC_REGION_ATTR_F_EN_SHIFT)
 
 /*
- * Define some macros for backward compatibility with existing tzc400 clients.
- */
-#if !ERROR_DEPRECATED
-#define REG_ATTR_FILTER_BIT(x)			((1 << x)		\
-					<< TZC_REGION_ATTR_F_EN_SHIFT)
-#define REG_ATTR_FILTER_BIT_ALL	(TZC_400_REGION_ATTR_F_EN_MASK <<	\
-					TZC_REGION_ATTR_F_EN_SHIFT)
-#endif /* __ERROR_DEPRECATED__ */
-
-/*
  * All TZC region configuration registers are placed one after another. It
  * depicts size of block of registers for programming each region.
  */
@@ -123,24 +113,6 @@
 void tzc400_enable_filters(void);
 void tzc400_disable_filters(void);
 
-/*
- * Deprecated APIs
- */
-static inline void tzc_init(uintptr_t base) __deprecated;
-static inline void tzc_configure_region0(
-			tzc_region_attributes_t sec_attr,
-			unsigned int ns_device_access) __deprecated;
-static inline void tzc_configure_region(
-			  unsigned int filters,
-			  int region,
-			  unsigned long long region_base,
-			  unsigned long long region_top,
-			  tzc_region_attributes_t sec_attr,
-			  unsigned int ns_device_access) __deprecated;
-static inline void tzc_set_action(tzc_action_t action) __deprecated;
-static inline void tzc_enable_filters(void) __deprecated;
-static inline void tzc_disable_filters(void) __deprecated;
-
 static inline void tzc_init(uintptr_t base)
 {
 	tzc400_init(base);