diff --git a/Makefile b/Makefile
index 1f9bf0db85..12802647e3 100644
--- a/Makefile
+++ b/Makefile
@@ -3,11 +3,10 @@
 # don't need to bother with make.
 
 .PHONY: geth geth-cross evm all test travis-test-with-coverage xgo clean
-.PHONY: geth-linux geth-linux-arm geth-linux-386 geth-linux-amd64
+.PHONY: geth-linux geth-linux-arm geth-linux-arm-5 geth-linux-arm-6 geth-linux-arm-7 geth-linux-386 geth-linux-amd64
 .PHONY: geth-darwin geth-darwin-386 geth-darwin-amd64
 .PHONY: geth-windows geth-windows-386 geth-windows-amd64
-.PHONY: geth-android geth-android-16 geth-android-21
-.PHONY: geth-ios geth-ios-5.0 geth-ios-8.1
+.PHONY: geth-android geth-ios
 
 GOBIN = build/bin
 
@@ -24,15 +23,10 @@ geth-cross: geth-linux geth-darwin geth-windows geth-android geth-ios
 	@echo "Full cross compilation done:"
 	@ls -l $(GOBIN)/geth-*
 
-geth-linux: xgo geth-linux-arm geth-linux-386 geth-linux-amd64
+geth-linux: geth-linux-386 geth-linux-amd64 geth-linux-arm
 	@echo "Linux cross compilation done:"
 	@ls -l $(GOBIN)/geth-linux-*
 
-geth-linux-arm: xgo
-	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm -v $(shell build/flags.sh) ./cmd/geth
-	@echo "Linux ARM cross compilation done:"
-	@ls -l $(GOBIN)/geth-linux-* | grep arm
-
 geth-linux-386: xgo
 	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/386 -v $(shell build/flags.sh) ./cmd/geth
 	@echo "Linux 386 cross compilation done:"
@@ -43,7 +37,26 @@ geth-linux-amd64: xgo
 	@echo "Linux amd64 cross compilation done:"
 	@ls -l $(GOBIN)/geth-linux-* | grep amd64
 
-geth-darwin: xgo geth-darwin-386 geth-darwin-amd64
+geth-linux-arm: geth-linux-arm-5 geth-linux-arm-6 geth-linux-arm-7
+	@echo "Linux ARM cross compilation done:"
+	@ls -l $(GOBIN)/geth-linux-* | grep arm
+
+geth-linux-arm-5: xgo
+	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-5 -v $(shell build/flags.sh) ./cmd/geth
+	@echo "Linux ARMv5 cross compilation done:"
+	@ls -l $(GOBIN)/geth-linux-* | grep arm-5
+
+geth-linux-arm-6: xgo
+	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-6 -v $(shell build/flags.sh) ./cmd/geth
+	@echo "Linux ARMv6 cross compilation done:"
+	@ls -l $(GOBIN)/geth-linux-* | grep arm-6
+
+geth-linux-arm-7: xgo
+	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-7 -v $(shell build/flags.sh) ./cmd/geth
+	@echo "Linux ARMv7 cross compilation done:"
+	@ls -l $(GOBIN)/geth-linux-* | grep arm-7
+
+geth-darwin: geth-darwin-386 geth-darwin-amd64
 	@echo "Darwin cross compilation done:"
 	@ls -l $(GOBIN)/geth-darwin-*
 
@@ -57,7 +70,7 @@ geth-darwin-amd64: xgo
 	@echo "Darwin amd64 cross compilation done:"
 	@ls -l $(GOBIN)/geth-darwin-* | grep amd64
 
-geth-windows: xgo geth-windows-386 geth-windows-amd64
+geth-windows: geth-windows-386 geth-windows-amd64
 	@echo "Windows cross compilation done:"
 	@ls -l $(GOBIN)/geth-windows-*
 
@@ -71,34 +84,16 @@ geth-windows-amd64: xgo
 	@echo "Windows amd64 cross compilation done:"
 	@ls -l $(GOBIN)/geth-windows-* | grep amd64
 
-geth-android: xgo geth-android-16 geth-android-21
+geth-android: xgo
+	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=android/* -v $(shell build/flags.sh) ./cmd/geth
 	@echo "Android cross compilation done:"
 	@ls -l $(GOBIN)/geth-android-*
 
-geth-android-16: xgo
-	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=android-16/* -v $(shell build/flags.sh) ./cmd/geth
-	@echo "Android 16 cross compilation done:"
-	@ls -l $(GOBIN)/geth-android-16-*
-
-geth-android-21: xgo
-	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=android-21/* -v $(shell build/flags.sh) ./cmd/geth
-	@echo "Android 21 cross compilation done:"
-	@ls -l $(GOBIN)/geth-android-21-*
-
-geth-ios: xgo geth-ios-5.0 geth-ios-8.1
+geth-ios: xgo
+	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --depsargs=--disable-assembly --targets=ios/* -v $(shell build/flags.sh) ./cmd/geth
 	@echo "iOS cross compilation done:"
 	@ls -l $(GOBIN)/geth-ios-*
 
-geth-ios-5.0:
-	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --depsargs=--disable-assembly --targets=ios-5.0/* -v $(shell build/flags.sh) ./cmd/geth
-	@echo "iOS 5.0 cross compilation done:"
-	@ls -l $(GOBIN)/geth-ios-5.0-*
-
-geth-ios-8.1:
-	build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --depsargs=--disable-assembly --targets=ios-8.1/* -v $(shell build/flags.sh) ./cmd/geth
-	@echo "iOS 8.1 cross compilation done:"
-	@ls -l $(GOBIN)/geth-ios-8.1-*
-
 evm:
 	build/env.sh $(GOROOT)/bin/go install -v $(shell build/flags.sh) ./cmd/evm
 	@echo "Done building."