diff --git a/plat/imx/imx8qm/imx8qm_bl31_setup.c b/plat/imx/imx8qm/imx8qm_bl31_setup.c
index c76de64..9232cbc 100644
--- a/plat/imx/imx8qm/imx8qm_bl31_setup.c
+++ b/plat/imx/imx8qm/imx8qm_bl31_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -27,12 +27,13 @@
 #include <sci/sci.h>
 #include <sec_rsrc.h>
 
-IMPORT_SYM(unsigned long, __COHERENT_RAM_START__, BL31_COHERENT_RAM_START);
-IMPORT_SYM(unsigned long, __COHERENT_RAM_END__, BL31_COHERENT_RAM_END);
-IMPORT_SYM(unsigned long, __RO_START__, BL31_RO_START);
-IMPORT_SYM(unsigned long, __RO_END__, BL31_RO_END);
+static const unsigned long BL31_COHERENT_RAM_START	= BL_COHERENT_RAM_BASE;
+static const unsigned long BL31_COHERENT_RAM_END	= BL_COHERENT_RAM_END;
+static const unsigned long BL31_RO_START		= BL_CODE_BASE;
+static const unsigned long BL31_RO_END			= BL_CODE_END;
+static const unsigned long BL31_RW_END			= BL_END;
+
 IMPORT_SYM(unsigned long, __RW_START__, BL31_RW_START);
-IMPORT_SYM(unsigned long, __RW_END__, BL31_RW_END);
 
 static entry_point_info_t bl32_image_ep_info;
 static entry_point_info_t bl33_image_ep_info;
diff --git a/plat/imx/imx8qx/imx8qx_bl31_setup.c b/plat/imx/imx8qx/imx8qx_bl31_setup.c
index bfe4052..58c82ce 100644
--- a/plat/imx/imx8qx/imx8qx_bl31_setup.c
+++ b/plat/imx/imx8qx/imx8qx_bl31_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -27,12 +27,13 @@
 #include <sci/sci.h>
 #include <sec_rsrc.h>
 
-IMPORT_SYM(unsigned long, __COHERENT_RAM_START__, BL31_COHERENT_RAM_START);
-IMPORT_SYM(unsigned long, __COHERENT_RAM_END__, BL31_COHERENT_RAM_END);
-IMPORT_SYM(unsigned long, __RO_START__, BL31_RO_START);
-IMPORT_SYM(unsigned long, __RO_END__, BL31_RO_END);
+static const unsigned long BL31_COHERENT_RAM_START	= BL_COHERENT_RAM_BASE;
+static const unsigned long BL31_COHERENT_RAM_END	= BL_COHERENT_RAM_END;
+static const unsigned long BL31_RO_START		= BL_CODE_BASE;
+static const unsigned long BL31_RO_END			= BL_CODE_END;
+static const unsigned long BL31_RW_END			= BL_END;
+
 IMPORT_SYM(unsigned long, __RW_START__, BL31_RW_START);
-IMPORT_SYM(unsigned long, __RW_END__, BL31_RW_END);
 
 static entry_point_info_t bl32_image_ep_info;
 static entry_point_info_t bl33_image_ep_info;
diff --git a/plat/intel/soc/common/include/socfpga_system_manager.h b/plat/intel/soc/common/include/socfpga_system_manager.h
index f1637ae..68e30b8 100644
--- a/plat/intel/soc/common/include/socfpga_system_manager.h
+++ b/plat/intel/soc/common/include/socfpga_system_manager.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2020, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -106,7 +106,6 @@
 #define SOCFPGA_CCU_NOC_CPU0_RAMSPACE0_0			0xf7004688
 #define SOCFPGA_CCU_NOC_IOM_RAMSPACE0_0				0xf7018628
 
-void enable_nonsecure_access(void);
 void enable_ns_peripheral_access(void);
 void enable_ns_bridge_access(void);
 
diff --git a/plat/nvidia/tegra/common/tegra_bl31_setup.c b/plat/nvidia/tegra/common/tegra_bl31_setup.c
index 25fd84c..cbe3377 100644
--- a/plat/nvidia/tegra/common/tegra_bl31_setup.c
+++ b/plat/nvidia/tegra/common/tegra_bl31_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -42,11 +42,12 @@
  ******************************************************************************/
 
 IMPORT_SYM(uint64_t, __RW_START__,	BL31_RW_START);
-IMPORT_SYM(uint64_t, __RW_END__,	BL31_RW_END);
-IMPORT_SYM(uint64_t, __RODATA_START__,	BL31_RODATA_BASE);
-IMPORT_SYM(uint64_t, __RODATA_END__,	BL31_RODATA_END);
-IMPORT_SYM(uint64_t, __TEXT_START__,	TEXT_START);
-IMPORT_SYM(uint64_t, __TEXT_END__,	TEXT_END);
+
+static const uint64_t BL31_RW_END	= BL_END;
+static const uint64_t BL31_RODATA_BASE	= BL_RO_DATA_BASE;
+static const uint64_t BL31_RODATA_END	= BL_RO_DATA_END;
+static const uint64_t TEXT_START	= BL_CODE_BASE;
+static const uint64_t TEXT_END		= BL_CODE_END;
 
 extern uint64_t tegra_bl31_phys_base;
 
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
index b6572ff..1fe3aad 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
@@ -53,7 +53,6 @@
 int32_t nvg_is_sc7_allowed(void);
 int32_t nvg_online_core(uint32_t core);
 int32_t nvg_update_ccplex_gsc(uint32_t gsc_idx);
-int32_t nvg_roc_clean_cache_trbits(void);
 int32_t nvg_enter_cstate(uint32_t state, uint32_t wake_time);
 int32_t nvg_roc_clean_cache_trbits(void);
 void nvg_enable_strict_checking_mode(void);
diff --git a/plat/renesas/rcar/bl2_plat_setup.c b/plat/renesas/rcar/bl2_plat_setup.c
index 193d80e..578892e 100644
--- a/plat/renesas/rcar/bl2_plat_setup.c
+++ b/plat/renesas/rcar/bl2_plat_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2018-2020, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -39,12 +39,19 @@
 #include "rcar_version.h"
 #include "rom_api.h"
 
-IMPORT_SYM(unsigned long, __RO_START__, BL2_RO_BASE)
-IMPORT_SYM(unsigned long, __RO_END__, BL2_RO_LIMIT)
+#if RCAR_BL2_DCACHE == 1
+/*
+ * Following symbols are only used during plat_arch_setup() only
+ * when RCAR_BL2_DCACHE is enabled.
+ */
+static const uint64_t BL2_RO_BASE		= BL_CODE_BASE;
+static const uint64_t BL2_RO_LIMIT		= BL_CODE_END;
 
 #if USE_COHERENT_MEM
-IMPORT_SYM(unsigned long, __COHERENT_RAM_START__, BL2_COHERENT_RAM_BASE)
-IMPORT_SYM(unsigned long, __COHERENT_RAM_END__, BL2_COHERENT_RAM_LIMIT)
+static const uint64_t BL2_COHERENT_RAM_BASE	= BL_COHERENT_RAM_BASE;
+static const uint64_t BL2_COHERENT_RAM_LIMIT	= BL_COHERENT_RAM_END;
+#endif
+
 #endif
 
 extern void plat_rcar_gic_driver_init(void);
diff --git a/plat/renesas/rcar/bl31_plat_setup.c b/plat/renesas/rcar/bl31_plat_setup.c
index bd83c41..7bc0d8e 100644
--- a/plat/renesas/rcar/bl31_plat_setup.c
+++ b/plat/renesas/rcar/bl31_plat_setup.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -22,12 +22,12 @@
 #include "rcar_private.h"
 #include "rcar_version.h"
 
-IMPORT_SYM(uint64_t, __RO_START__, BL31_RO_BASE)
-IMPORT_SYM(uint64_t, __RO_END__, BL31_RO_LIMIT)
+static const uint64_t BL31_RO_BASE		= BL_CODE_BASE;
+static const uint64_t BL31_RO_LIMIT		= BL_CODE_END;
 
 #if USE_COHERENT_MEM
-IMPORT_SYM(uint64_t, __COHERENT_RAM_START__, BL31_COHERENT_RAM_BASE)
-IMPORT_SYM(uint64_t, __COHERENT_RAM_END__, BL31_COHERENT_RAM_LIMIT)
+static const uint64_t BL31_COHERENT_RAM_BASE	= BL_COHERENT_RAM_BASE;
+static const uint64_t BL31_COHERENT_RAM_LIMIT	= BL_COHERENT_RAM_END;
 #endif
 
 extern void plat_rcar_gic_driver_init(void);
diff --git a/plat/st/stm32mp1/include/stm32mp1_boot_device.h b/plat/st/stm32mp1/include/stm32mp1_boot_device.h
deleted file mode 100644
index a745983..0000000
--- a/plat/st/stm32mp1/include/stm32mp1_boot_device.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (c) 2019, STMicroelectronics - All Rights Reserved
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef STM32MP1_BOOT_DEVICE_H
-#define STM32MP1_BOOT_DEVICE_H
-
-#include <drivers/raw_nand.h>
-#include <drivers/spi_nand.h>
-#include <drivers/spi_nor.h>
-
-int plat_get_raw_nand_data(struct rawnand_device *device);
-int plat_get_spi_nand_data(struct spinand_device *device);
-int plat_get_nor_data(struct nor_device *device);
-
-#endif /* STM32MP1_BOOT_DEVICE_H */
diff --git a/plat/st/stm32mp1/stm32mp1_boot_device.c b/plat/st/stm32mp1/stm32mp1_boot_device.c
index 2d8eccf..997335d 100644
--- a/plat/st/stm32mp1/stm32mp1_boot_device.c
+++ b/plat/st/stm32mp1/stm32mp1_boot_device.c
@@ -7,6 +7,9 @@
 #include <errno.h>
 
 #include <drivers/nand.h>
+#include <drivers/raw_nand.h>
+#include <drivers/spi_nand.h>
+#include <drivers/spi_nor.h>
 #include <lib/utils.h>
 #include <plat/common/platform.h>
 
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 11b01ab..5dc5206 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -23,7 +23,6 @@
 #include <stm32mp_common.h>
 #include <stm32mp_dt.h>
 #include <stm32mp_shres_helpers.h>
-#include <stm32mp1_boot_device.h>
 #include <stm32mp1_dbgmcu.h>
 #include <stm32mp1_private.h>
 #endif