diff --git a/include/target.mk b/include/target.mk
index 3fc2bd7508..696b463857 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -172,8 +172,6 @@ ifeq ($(DUMP),1)
     CPU_CFLAGS_74kc = -mips32r2 -mtune=74kc
     CPU_CFLAGS_1004kc = -mips32r2 -mtune=1004kc
     CPU_CFLAGS_octeon = -march=octeon -mabi=64
-    CPU_CFLAGS_dsp = -mdsp
-    CPU_CFLAGS_dsp2 = -mdspr2
   endif
   ifeq ($(ARCH),i386)
     CPU_TYPE ?= i486
diff --git a/target/linux/brcm47xx/mips74k/target.mk b/target/linux/brcm47xx/mips74k/target.mk
index ccefa21e05..eb006e9a16 100644
--- a/target/linux/brcm47xx/mips74k/target.mk
+++ b/target/linux/brcm47xx/mips74k/target.mk
@@ -1,6 +1,5 @@
 BOARDNAME:=MIPS 74K
 CPU_TYPE:=74kc
-CPU_SUBTYPE:=dsp2
 FEATURES+=mips16
 
 define Target/Description
diff --git a/target/linux/lantiq/xrx200/target.mk b/target/linux/lantiq/xrx200/target.mk
index 6b8738c8a8..a52816c452 100644
--- a/target/linux/lantiq/xrx200/target.mk
+++ b/target/linux/lantiq/xrx200/target.mk
@@ -3,7 +3,6 @@ SUBTARGET:=xrx200
 BOARDNAME:=XRX200
 FEATURES:=squashfs atm mips16 nand ubifs
 CPU_TYPE:=34kc
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES+=kmod-leds-gpio \
 	kmod-gpio-button-hotplug \
diff --git a/target/linux/lantiq/xway/target.mk b/target/linux/lantiq/xway/target.mk
index b9d4a0ff5b..1fe6bc4bda 100644
--- a/target/linux/lantiq/xway/target.mk
+++ b/target/linux/lantiq/xway/target.mk
@@ -3,7 +3,6 @@ SUBTARGET:=xway
 BOARDNAME:=XWAY
 FEATURES:=squashfs atm mips16 nand ubifs ramdisk
 CPU_TYPE:=34kc
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES+=kmod-leds-gpio kmod-gpio-button-hotplug
 
diff --git a/target/linux/lantiq/xway_legacy/target.mk b/target/linux/lantiq/xway_legacy/target.mk
index 2d9cc56d38..abff3853f1 100644
--- a/target/linux/lantiq/xway_legacy/target.mk
+++ b/target/linux/lantiq/xway_legacy/target.mk
@@ -3,7 +3,6 @@ SUBTARGET:=xway_legacy
 BOARDNAME:=XWAY Legacy
 FEATURES:=squashfs atm mips16 ramdisk small_flash
 CPU_TYPE:=34kc
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES+=kmod-leds-gpio kmod-gpio-button-hotplug
 
diff --git a/target/linux/ramips/mt7620/target.mk b/target/linux/ramips/mt7620/target.mk
index 08c775c97b..bbdf21c1f5 100644
--- a/target/linux/ramips/mt7620/target.mk
+++ b/target/linux/ramips/mt7620/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=mt7620
 BOARDNAME:=MT7620 based boards
 FEATURES+=usb
 CPU_TYPE:=24kec
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES += kmod-rt2800-pci kmod-rt2800-soc kmod-mt76
 
diff --git a/target/linux/ramips/mt7621/target.mk b/target/linux/ramips/mt7621/target.mk
index 7e175435b3..16c6562d07 100644
--- a/target/linux/ramips/mt7621/target.mk
+++ b/target/linux/ramips/mt7621/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=mt7621
 BOARDNAME:=MT7621 based boards
 FEATURES+=usb rtc
 CPU_TYPE:=1004kc
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES += kmod-mt76
 
diff --git a/target/linux/ramips/mt7628/target.mk b/target/linux/ramips/mt7628/target.mk
index 61d7f0707c..cb717eb9bc 100644
--- a/target/linux/ramips/mt7628/target.mk
+++ b/target/linux/ramips/mt7628/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=mt7628
 BOARDNAME:=MT7628 based boards
 FEATURES+=usb
 CPU_TYPE:=24kec
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES += kmod-mt76
 
diff --git a/target/linux/ramips/mt7688/target.mk b/target/linux/ramips/mt7688/target.mk
index a501a64136..84393c9ea3 100644
--- a/target/linux/ramips/mt7688/target.mk
+++ b/target/linux/ramips/mt7688/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=mt7688
 BOARDNAME:=MT7688 based boards
 FEATURES+=usb
 CPU_TYPE:=24kec
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES += kmod-mt76
 
diff --git a/target/linux/ramips/rt305x/target.mk b/target/linux/ramips/rt305x/target.mk
index 633925999e..f3c8a682c3 100644
--- a/target/linux/ramips/rt305x/target.mk
+++ b/target/linux/ramips/rt305x/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=rt305x
 BOARDNAME:=RT3x5x/RT5350 based boards
 FEATURES+=usb ramdisk
 CPU_TYPE:=24kec
-CPU_SUBTYPE:=dsp
 
 DEFAULT_PACKAGES += kmod-rt2800-soc
 
diff --git a/target/linux/ramips/rt3883/target.mk b/target/linux/ramips/rt3883/target.mk
index 7a2cec99a1..6ae4e7820d 100644
--- a/target/linux/ramips/rt3883/target.mk
+++ b/target/linux/ramips/rt3883/target.mk
@@ -6,7 +6,6 @@ SUBTARGET:=rt3883
 BOARDNAME:=RT3662/RT3883 based boards
 FEATURES+=usb pci
 CPU_TYPE:=74kc
-CPU_SUBTYPE:=dsp2
 
 DEFAULT_PACKAGES += kmod-rt2800-pci kmod-rt2800-soc