diff --git a/sys/dts/arm/socfpga_arria10_socdk_sdmmc.dts b/sys/dts/arm/socfpga_arria10_socdk_sdmmc.dts
deleted file mode 100644
index b8ddf4dfafbc..000000000000
--- a/sys/dts/arm/socfpga_arria10_socdk_sdmmc.dts
+++ /dev/null
@@ -1,118 +0,0 @@
-/*-
- * Copyright (c) 2017 Ruslan Bukin
- * All rights reserved.
- *
- * This software was developed by SRI International and the University of
- * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
- * ("CTSRD"), as part of the DARPA CRASH research programme.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/dts-v1/;
-#include "socfpga_arria10_socdk.dtsi"
-
-/ {
- model = "Altera SOCFPGA Arria 10";
- compatible = "altr,socfpga-arria10", "altr,socfpga";
-
- /* Reserve first page for secondary CPU trampoline code */
- memreserve = < 0x00000000 0x1000 >;
-
- soc {
- /* Local timer */
- timer@ffffc600 {
- clock-frequency = <200000000>;
- };
-
- /* Global timer */
- global_timer: timer@ffffc200 {
- compatible = "arm,cortex-a9-global-timer";
- reg = <0xffffc200 0x20>;
- interrupts = <1 11 0x301>;
- clock-frequency = <200000000>;
- };
- };
-
- chosen {
- stdin = "serial1";
- stdout = "serial1";
- };
-};
-
-&uart1 {
- clock-frequency = < 50000000 >;
-};
-
-&mmc {
- status = "okay";
- num-slots = <1>;
- cap-sd-highspeed;
- broken-cd;
- bus-width = <4>;
- bus-frequency = <200000000>;
-};
-
-&i2c1 {
- lcd@28 {
- compatible = "newhaven,nhd-0216k3z-nsw-bbw";
- reg = <0x28>;
- };
-};
-
-&usb0 {
- dr_mode = "host";
-};
-
-&qspi {
- status = "okay";
-
- dmas = <&pdma 24>, <&pdma 25>;
- dma-names = "tx", "rx";
-
- flash0: n25q00@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "n25q00aa";
- reg = <0>;
- spi-max-frequency = <100000000>;
-
- m25p,fast-read;
- cdns,page-size = <256>;
- cdns,block-size = <16>;
- cdns,read-delay = <4>;
- cdns,tshsl-ns = <50>;
- cdns,tsd2d-ns = <50>;
- cdns,tchsh-ns = <4>;
- cdns,tslch-ns = <4>;
-
- partition@qspi-boot {
- label = "boot";
- reg = <0x0 0x2720000>;
- };
-
- partition@qspi-rootfs {
- label = "rootfs";
- reg = <0x2720000 0x58E0000>;
- };
- };
-};
diff --git a/sys/dts/arm/socfpga_cyclone5_sockit_sdmmc.dts b/sys/dts/arm/socfpga_cyclone5_sockit_sdmmc.dts
deleted file mode 100644
index 4a08328847a4..000000000000
--- a/sys/dts/arm/socfpga_cyclone5_sockit_sdmmc.dts
+++ /dev/null
@@ -1,72 +0,0 @@
-/*-
- * Copyright (c) 2017 Ruslan Bukin
- * All rights reserved.
- *
- * This software was developed by SRI International and the University of
- * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
- * ("CTSRD"), as part of the DARPA CRASH research programme.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/* /dts-v1/; */
-#include "socfpga_cyclone5_sockit.dts"
-
-/ {
- model = "Terasic SoCkit";
- compatible = "altr,socfpga-cyclone5", "altr,socfpga";
-
- /* Reserve first page for secondary CPU trampoline code */
- memreserve = < 0x00000000 0x1000 >;
-
- soc {
- /* Local timer */
- timer@fffec600 {
- clock-frequency = <200000000>;
- };
-
- /* Global timer */
- global_timer: timer@fffec200 {
- compatible = "arm,cortex-a9-global-timer";
- reg = <0xfffec200 0x20>;
- interrupts = <1 11 0xf04>;
- clock-frequency = <200000000>;
- };
- };
-
- chosen {
- stdin = "serial0";
- stdout = "serial0";
- };
-};
-
-&mmc0 {
- bus-frequency = <25000000>;
-};
-
-&uart0 {
- clock-frequency = <100000000>;
-};
-
-&uart1 {
- status = "disabled";
-};