diff --git a/boards/x86/arduino_101/dts.fixup b/arch/x86/soc/intel_quark/quark_se/dts.fixup
similarity index 89%
rename from boards/x86/arduino_101/dts.fixup
rename to arch/x86/soc/intel_quark/quark_se/dts.fixup
index e892d5f73e9..99becf0299b 100644
--- a/boards/x86/arduino_101/dts.fixup
+++ b/arch/x86/soc/intel_quark/quark_se/dts.fixup
@@ -1,3 +1,5 @@
+/* SoC level DTS fixup file */
+
 #define CONFIG_UART_QMSI_0_BAUDRATE	INTEL_QMSI_UART_B0002000_CURRENT_SPEED
 #define CONFIG_UART_QMSI_0_NAME		INTEL_QMSI_UART_B0002000_LABEL
 #define CONFIG_UART_QMSI_0_IRQ		INTEL_QMSI_UART_B0002000_IRQ_0
@@ -11,3 +13,5 @@
 #define CONFIG_PHYS_LOAD_ADDR		CONFIG_FLASH_BASE_ADDRESS
 
 #define CONFIG_IOAPIC_BASE_ADDRESS	INTEL_IOAPIC_FEC00000_BASE_ADDRESS
+
+/* End of SoC Level DTS fixup file */
diff --git a/boards/x86/quark_se_c1000_devboard/dts.fixup b/boards/x86/quark_se_c1000_devboard/dts.fixup
deleted file mode 100644
index e892d5f73e9..00000000000
--- a/boards/x86/quark_se_c1000_devboard/dts.fixup
+++ /dev/null
@@ -1,13 +0,0 @@
-#define CONFIG_UART_QMSI_0_BAUDRATE	INTEL_QMSI_UART_B0002000_CURRENT_SPEED
-#define CONFIG_UART_QMSI_0_NAME		INTEL_QMSI_UART_B0002000_LABEL
-#define CONFIG_UART_QMSI_0_IRQ		INTEL_QMSI_UART_B0002000_IRQ_0
-
-#define CONFIG_UART_QMSI_1_BAUDRATE	INTEL_QMSI_UART_B0002400_CURRENT_SPEED
-#define CONFIG_UART_QMSI_1_NAME		INTEL_QMSI_UART_B0002400_LABEL
-#define CONFIG_UART_QMSI_1_IRQ		INTEL_QMSI_UART_B0002400_IRQ_0
-
-#define CONFIG_PHYS_RAM_ADDR		CONFIG_SRAM_BASE_ADDRESS
-
-#define CONFIG_PHYS_LOAD_ADDR		CONFIG_FLASH_BASE_ADDRESS
-
-#define CONFIG_IOAPIC_BASE_ADDRESS	INTEL_IOAPIC_FEC00000_BASE_ADDRESS
diff --git a/boards/x86/tinytile/dts.fixup b/boards/x86/tinytile/dts.fixup
deleted file mode 100644
index e892d5f73e9..00000000000
--- a/boards/x86/tinytile/dts.fixup
+++ /dev/null
@@ -1,13 +0,0 @@
-#define CONFIG_UART_QMSI_0_BAUDRATE	INTEL_QMSI_UART_B0002000_CURRENT_SPEED
-#define CONFIG_UART_QMSI_0_NAME		INTEL_QMSI_UART_B0002000_LABEL
-#define CONFIG_UART_QMSI_0_IRQ		INTEL_QMSI_UART_B0002000_IRQ_0
-
-#define CONFIG_UART_QMSI_1_BAUDRATE	INTEL_QMSI_UART_B0002400_CURRENT_SPEED
-#define CONFIG_UART_QMSI_1_NAME		INTEL_QMSI_UART_B0002400_LABEL
-#define CONFIG_UART_QMSI_1_IRQ		INTEL_QMSI_UART_B0002400_IRQ_0
-
-#define CONFIG_PHYS_RAM_ADDR		CONFIG_SRAM_BASE_ADDRESS
-
-#define CONFIG_PHYS_LOAD_ADDR		CONFIG_FLASH_BASE_ADDRESS
-
-#define CONFIG_IOAPIC_BASE_ADDRESS	INTEL_IOAPIC_FEC00000_BASE_ADDRESS