diff --git a/Dockerfile b/Dockerfile
index 54a11ac..c2aa402 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,6 @@ FROM golang:1.9
 # required to force cgo (for sqlite driver) with cross compile
 ENV CGO_ENABLED 1
 
-# i386 cross compilation
-RUN dpkg --add-architecture i386 && \
-	apt-get update && \
-	apt-get install -y libc6-dev-i386 && \
-	rm -rf /var/lib/apt/lists/*
-
 # development dependencies
 RUN go get \
 	github.com/golang/lint/golint \
diff --git a/Makefile b/Makefile
index 40bb818..83b1896 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,6 @@ test:
 	$(DC) run dbmate go test -v $(PACKAGES)
 
 build: clean
-	$(DC) run -e GOARCH=386   dbmate go build $(BUILD_FLAGS) -o dist/dbmate-linux-i386 ./cmd/dbmate
 	$(DC) run -e GOARCH=amd64 dbmate go build $(BUILD_FLAGS) -o dist/dbmate-linux-amd64 ./cmd/dbmate
 	# musl target does not support sqlite
 	$(DC) run -e GOARCH=amd64 -e CGO_ENABLED=0 dbmate go build $(BUILD_FLAGS) -o dist/dbmate-linux-musl-amd64 ./cmd/dbmate