diff --git a/plat/arm/css/drivers/scp/css_scp.h b/plat/arm/css/drivers/scp/css_scp.h
index 671612a..44dfbca 100644
--- a/plat/arm/css/drivers/scp/css_scp.h
+++ b/plat/arm/css/drivers/scp/css_scp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,7 +9,7 @@
 
 #include <cassert.h>
 #include <platform_def.h>
-#include <types.h>
+#include <stdint.h>
 
 /* Forward declarations */
 struct psci_power_state;
diff --git a/plat/hisilicon/hikey/hikey_security.c b/plat/hisilicon/hikey/hikey_security.c
index 863ad2b..43d7b7a 100644
--- a/plat/hisilicon/hikey/hikey_security.c
+++ b/plat/hisilicon/hikey/hikey_security.c
@@ -8,7 +8,7 @@
 #include <debug.h>
 #include <platform_def.h>
 #include <stdint.h>
-#include <strings.h>
+#include <string.h>
 #include <utils_def.h>
 #include "hikey_private.h"
 
diff --git a/plat/imx/common/include/imx8_lpuart.h b/plat/imx/common/include/imx8_lpuart.h
index 4ff91bd..33f955d 100644
--- a/plat/imx/common/include/imx8_lpuart.h
+++ b/plat/imx/common/include/imx8_lpuart.h
@@ -52,7 +52,7 @@
 
 #ifndef __ASSEMBLY__
 
-#include <types.h>
+#include <stdint.h>
 
 typedef struct {
 	console_t console;
diff --git a/plat/imx/common/include/sci/sci_scfw.h b/plat/imx/common/include/sci/sci_scfw.h
index 9d08dad..781c69e 100644
--- a/plat/imx/common/include/sci/sci_scfw.h
+++ b/plat/imx/common/include/sci/sci_scfw.h
@@ -9,7 +9,7 @@
 
 /* Includes */
 
-#include <types.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
   #define   __I     volatile             /*!< Defines 'read only' permissions                 */
diff --git a/plat/imx/common/sci/imx8_mu.h b/plat/imx/common/sci/imx8_mu.h
index 8834a97..8c78877 100644
--- a/plat/imx/common/sci/imx8_mu.h
+++ b/plat/imx/common/sci/imx8_mu.h
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <types.h>
+#include <stdint.h>
 
 #define MU_ATR0_OFFSET1		0x0
 #define MU_ARR0_OFFSET1		0x10
diff --git a/plat/layerscape/board/ls1043/ls1043_psci.c b/plat/layerscape/board/ls1043/ls1043_psci.c
index 1c83df4..b402e7f 100644
--- a/plat/layerscape/board/ls1043/ls1043_psci.c
+++ b/plat/layerscape/board/ls1043/ls1043_psci.c
@@ -5,15 +5,15 @@
  */
 
 #include <arch_helpers.h>
-#include <debug.h>
-#include <errno.h>
 #include <assert.h>
+#include <debug.h>
+#include <delay_timer.h>
+#include <endian.h>
+#include <errno.h>
+#include <gicv2.h>
+#include <mmio.h>
 #include <platform.h>
 #include <psci.h>
-#include <mmio.h>
-#include <sys/endian.h>
-#include <gicv2.h>
-#include <delay_timer.h>
 #include "platform_def.h"
 
 #define LS_SCFG_BASE			0x01570000
diff --git a/plat/layerscape/common/include/ls_16550.h b/plat/layerscape/common/include/ls_16550.h
index 503a01d..8daafbb 100644
--- a/plat/layerscape/common/include/ls_16550.h
+++ b/plat/layerscape/common/include/ls_16550.h
@@ -65,7 +65,7 @@
 
 #ifndef __ASSEMBLY__
 
-#include <types.h>
+#include <stdint.h>
 
 typedef struct {
 	console_t console;
diff --git a/plat/layerscape/common/include/plat_ls.h b/plat/layerscape/common/include/plat_ls.h
index 9d5ec14..05b9c05 100644
--- a/plat/layerscape/common/include/plat_ls.h
+++ b/plat/layerscape/common/include/plat_ls.h
@@ -7,8 +7,8 @@
 #ifndef __PLAT_LS_H__
 #define __PLAT_LS_H__
 
-#include <sys/types.h>
 #include <cpu_data.h>
+#include <stdint.h>
 
 /* BL1 utility functions */
 void ls_bl1_platform_setup(void);
diff --git a/plat/nvidia/tegra/common/drivers/smmu/smmu.c b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
index fa3f000..4b9edb6 100644
--- a/plat/nvidia/tegra/common/drivers/smmu/smmu.c
+++ b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,6 +12,8 @@
 #include <string.h>
 #include <tegra_private.h>
 
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
 /* SMMU IDs currently supported by the driver */
 enum {
 	TEGRA_SMMU0,
diff --git a/plat/nvidia/tegra/common/tegra_bl31_setup.c b/plat/nvidia/tegra/common/tegra_bl31_setup.c
index f0a7036..6599768 100644
--- a/plat/nvidia/tegra/common/tegra_bl31_setup.c
+++ b/plat/nvidia/tegra/common/tegra_bl31_setup.c
@@ -28,6 +28,7 @@
 /* length of Trusty's input parameters (in bytes) */
 #define TRUSTY_PARAMS_LEN_BYTES	(4096*2)
 
+extern void memcpy16(void *dest, const void *src, unsigned int length);
 extern void zeromem16(void *mem, unsigned int length);
 
 /*******************************************************************************
diff --git a/plat/nvidia/tegra/include/drivers/memctrl_v2.h b/plat/nvidia/tegra/include/drivers/memctrl_v2.h
index 60c8a04..b72653e 100644
--- a/plat/nvidia/tegra/include/drivers/memctrl_v2.h
+++ b/plat/nvidia/tegra/include/drivers/memctrl_v2.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
 
 #ifndef __ASSEMBLY__
 
-#include <sys/types.h>
+#include <stdint.h>
 
 /*******************************************************************************
  * StreamID to indicate no SMMU translations (requests to be steered on the
diff --git a/plat/nvidia/tegra/include/tegra_platform.h b/plat/nvidia/tegra/include/tegra_platform.h
index fbaad6e..db79fbe 100644
--- a/plat/nvidia/tegra/include/tegra_platform.h
+++ b/plat/nvidia/tegra/include/tegra_platform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,7 +7,7 @@
 #ifndef __TEGRA_PLATFORM_H__
 #define __TEGRA_PLATFORM_H__
 
-#include <sys/cdefs.h>
+#include <cdefs.h>
 
 /*
  * Tegra chip major/minor version
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
index 7eb6c6c..7126c3b 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,10 +10,10 @@
 #include <debug.h>
 #include <delay_timer.h>
 #include <denver.h>
+#include <errno.h>
 #include <mce_private.h>
 #include <mmio.h>
 #include <platform.h>
-#include <sys/errno.h>
 #include <t18x_ari.h>
 
 /*******************************************************************************
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
index 1353b6a..712519f 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,11 +12,11 @@
 #include <context_mgmt.h>
 #include <debug.h>
 #include <denver.h>
+#include <errno.h>
 #include <mce.h>
 #include <mce_private.h>
 #include <mmio.h>
 #include <string.h>
-#include <sys/errno.h>
 #include <t18x_ari.h>
 #include <tegra_def.h>
 #include <tegra_platform.h>
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
index 243c8f3..857cfbb 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,9 +8,9 @@
 #include <arch_helpers.h>
 #include <debug.h>
 #include <denver.h>
+#include <errno.h>
 #include <mce_private.h>
 #include <mmio.h>
-#include <sys/errno.h>
 #include <t18x_ari.h>
 
 int32_t nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
diff --git a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
index 095614e..6eb18fa 100644
--- a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -20,6 +20,8 @@
 #include <t18x_ari.h>
 #include <tegra_private.h>
 
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
 extern void prepare_cpu_pwr_dwn(void);
 extern void tegra186_cpu_reset_handler(void);
 extern uint32_t __tegra186_cpu_reset_handler_end,
diff --git a/plat/nvidia/tegra/soc/t186/plat_secondary.c b/plat/nvidia/tegra/soc/t186/plat_secondary.c
index 52daab2..ebc2b46 100644
--- a/plat/nvidia/tegra/soc/t186/plat_secondary.c
+++ b/plat/nvidia/tegra/soc/t186/plat_secondary.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -21,6 +21,8 @@
 
 #define CPU_RESET_MODE_AA64		1
 
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
 extern uint64_t tegra_bl31_phys_base;
 extern uint64_t __tegra186_cpu_reset_handler_end;
 
diff --git a/plat/qemu/qemu_private.h b/plat/qemu/qemu_private.h
index 800fa03..0fb7cd5 100644
--- a/plat/qemu/qemu_private.h
+++ b/plat/qemu/qemu_private.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,9 +7,8 @@
 #ifndef __QEMU_PRIVATE_H
 #define __QEMU_PRIVATE_H
 
-#include <sys/types.h>
+#include <stdint.h>
 
-#include <xlat_tables_defs.h>
 #include "../../bl1/bl1_private.h"
 
 void qemu_configure_mmu_secure(unsigned long total_base,
diff --git a/plat/qemu/topology.c b/plat/qemu/topology.c
index d7ba9b7..569d15f 100644
--- a/plat/qemu/topology.c
+++ b/plat/qemu/topology.c
@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <arch.h>
 #include <platform_def.h>
-#include <sys/types.h>
+#include <stdint.h>
 #include "qemu_private.h"
 
 /* The power domain tree descriptor */
diff --git a/plat/rockchip/rk3399/drivers/dp/cdn_dp.c b/plat/rockchip/rk3399/drivers/dp/cdn_dp.c
index f1a5e2b..2adab8f 100644
--- a/plat/rockchip/rk3399/drivers/dp/cdn_dp.c
+++ b/plat/rockchip/rk3399/drivers/dp/cdn_dp.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <cdefs.h>
 #include <cdn_dp.h>
 #include <smccc.h>
 #include <stdlib.h>
diff --git a/plat/rpi3/rpi3_private.h b/plat/rpi3/rpi3_private.h
index 91b7add..368d09b 100644
--- a/plat/rpi3/rpi3_private.h
+++ b/plat/rpi3/rpi3_private.h
@@ -7,7 +7,7 @@
 #ifndef __RPI3_PRIVATE_H__
 #define __RPI3_PRIVATE_H__
 
-#include <sys/types.h>
+#include <stdint.h>
 
 /*******************************************************************************
  * Function and variable prototypes
diff --git a/plat/rpi3/rpi3_stack_protector.c b/plat/rpi3/rpi3_stack_protector.c
index d939cd3..812f6ed 100644
--- a/plat/rpi3/rpi3_stack_protector.c
+++ b/plat/rpi3/rpi3_stack_protector.c
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <sys/types.h>
+#include <stdint.h>
 #include <utils.h>
 
 #include "rpi3_private.h"
diff --git a/plat/rpi3/rpi3_topology.c b/plat/rpi3/rpi3_topology.c
index 0e03ec3..31a22a4 100644
--- a/plat/rpi3/rpi3_topology.c
+++ b/plat/rpi3/rpi3_topology.c
@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <arch.h>
 #include <platform_def.h>
-#include <sys/types.h>
+#include <stdint.h>
 
 #include "rpi3_private.h"
 
diff --git a/plat/socionext/synquacer/include/sq_common.h b/plat/socionext/synquacer/include/sq_common.h
index 58b1e24..7f0633a 100644
--- a/plat/socionext/synquacer/include/sq_common.h
+++ b/plat/socionext/synquacer/include/sq_common.h
@@ -7,7 +7,7 @@
 #ifndef __SQ_COMMON_H__
 #define __SQ_COMMON_H__
 
-#include <sys/types.h>
+#include <stdint.h>
 #include <xlat_tables_v2.h>
 
 struct draminfo {
diff --git a/plat/socionext/uniphier/uniphier.h b/plat/socionext/uniphier/uniphier.h
index 1768e3b..7ff1464 100644
--- a/plat/socionext/uniphier/uniphier.h
+++ b/plat/socionext/uniphier/uniphier.h
@@ -8,7 +8,7 @@
 #define __UNIPHIER_H__
 
 #include <stdint.h>
-#include <types.h>
+#include <string.h>
 
 unsigned int uniphier_get_soc_type(void);
 unsigned int uniphier_get_soc_model(void);
diff --git a/plat/socionext/uniphier/uniphier_emmc.c b/plat/socionext/uniphier/uniphier_emmc.c
index fcd4cb4..db87637 100644
--- a/plat/socionext/uniphier/uniphier_emmc.c
+++ b/plat/socionext/uniphier/uniphier_emmc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,7 +9,7 @@
 #include <io/io_block.h>
 #include <mmio.h>
 #include <platform_def.h>
-#include <sys/types.h>
+#include <stdint.h>
 #include <utils_def.h>
 
 #include "uniphier.h"
diff --git a/plat/socionext/uniphier/uniphier_io_storage.c b/plat/socionext/uniphier/uniphier_io_storage.c
index ed1f6fa..1fd835b 100644
--- a/plat/socionext/uniphier/uniphier_io_storage.c
+++ b/plat/socionext/uniphier/uniphier_io_storage.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,7 +12,7 @@
 #include <io/io_fip.h>
 #include <io/io_memmap.h>
 #include <platform_def.h>
-#include <types.h>
+#include <stdint.h>
 #include <utils_def.h>
 #include <xlat_tables_v2.h>
 
diff --git a/plat/socionext/uniphier/uniphier_nand.c b/plat/socionext/uniphier/uniphier_nand.c
index a118b85..c8e825d 100644
--- a/plat/socionext/uniphier/uniphier_nand.c
+++ b/plat/socionext/uniphier/uniphier_nand.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,7 +9,7 @@
 #include <io/io_block.h>
 #include <mmio.h>
 #include <platform_def.h>
-#include <sys/types.h>
+#include <stdint.h>
 #include <utils_def.h>
 
 #include "uniphier.h"
diff --git a/plat/socionext/uniphier/uniphier_usb.c b/plat/socionext/uniphier/uniphier_usb.c
index 4be0e90..b51b601 100644
--- a/plat/socionext/uniphier/uniphier_usb.c
+++ b/plat/socionext/uniphier/uniphier_usb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,7 +9,7 @@
 #include <io/io_block.h>
 #include <mmio.h>
 #include <platform_def.h>
-#include <sys/types.h>
+#include <stdint.h>
 #include <utils_def.h>
 
 #include "uniphier.h"