diff --git a/boot/zephyr/CMakeLists.txt b/boot/zephyr/CMakeLists.txt
index 7762a22c8..aec38d1af 100644
--- a/boot/zephyr/CMakeLists.txt
+++ b/boot/zephyr/CMakeLists.txt
@@ -48,11 +48,7 @@ endif()
 
 zephyr_library_include_directories(
   include
-  targets
   )
-if(EXISTS targets/${BOARD}.h)
-  zephyr_library_compile_definitions(MCUBOOT_TARGET_CONFIG="${BOARD}.h")
-endif()
 
 # Zephyr port-specific sources.
 zephyr_library_sources(
diff --git a/boot/zephyr/targets/arduino_101.h b/boot/zephyr/targets/arduino_101.h
deleted file mode 100644
index 19095b383..000000000
--- a/boot/zephyr/targets/arduino_101.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2017 Intel Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * @file
- * @brief Bootloader device specific configuration.
- */
-
-/*
- * NOTE: This flash layout is a simple one for demonstration purposes.
- * It assumes we are building MCUboot as a 3rd-stage loader, leaving the
- * stock bootloaders on the Arduino 101 untouched.
- *
- * In this configuration MCUboot will live at 0x40010000
- */
-
-#define FLASH_DEV_NAME			CONFIG_SOC_FLASH_QMSI_DEV_NAME
-#define FLASH_ALIGN			4
-#define FLASH_AREA_IMAGE_0_OFFSET	0x40020000
-#define FLASH_AREA_IMAGE_0_SIZE		0x10000
-#define FLASH_AREA_IMAGE_1_OFFSET	0x40030000
-#define FLASH_AREA_IMAGE_1_SIZE		0x10000
-#define FLASH_AREA_IMAGE_SCRATCH_OFFSET	0x40040000
-#define FLASH_AREA_IMAGE_SCRATCH_SIZE	0x10000