diff --git a/go.mod b/go.mod
deleted file mode 100644
index fe7ef3f..0000000
--- a/go.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module github.com/kyokomi/emoji/v2
-
-go 1.12
diff --git a/wercker.yml b/wercker.yml
index ac583ce..2c4a693 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -9,7 +9,7 @@ build:
         name: install tools
         code: |
           go get github.com/mattn/goveralls
-          go get github.com/golangci/golangci-lint/cmd/golangci-lint
+          GO111MODULE=on go get github.com/golangci/golangci-lint/cmd/golangci-lint
     - script:
         name: go get
         code: |