diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index ea07674..f776314 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -10,7 +10,7 @@ jobs:
         uses: actions/setup-go@v3
         with:
           check-latest: true
-          go-version: '1.18'
+          go-version: '1.19'
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e1f5d68..7d85ceb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
         uses: actions/setup-go@v3
         with:
           check-latest: true
-          go-version: '1.18'
+          go-version: '1.19'
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
diff --git a/.golangci.yaml b/.golangci.yaml
index cfe4f07..f5b6739 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -14,4 +14,4 @@ linters-settings:
       - prefix(github.com/Dreamacro/clash)
       - default
   staticcheck:
-    go: '1.18'
+    go: '1.19'
diff --git a/constant/mime/mime.go b/constant/mime/mime.go
deleted file mode 100644
index 431457b..0000000
--- a/constant/mime/mime.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package mime
-
-import (
-	"mime"
-)
-
-var consensusMimes = map[string]string{
-	// rfc4329: text/javascript is obsolete, so we need to overwrite mime's builtin
-	".js": "application/javascript; charset=utf-8",
-}
-
-func init() {
-	for ext, typ := range consensusMimes {
-		mime.AddExtensionType(ext, typ)
-	}
-}
diff --git a/hub/route/server.go b/hub/route/server.go
index d5d8f72..d1f85e5 100644
--- a/hub/route/server.go
+++ b/hub/route/server.go
@@ -9,7 +9,6 @@ import (
 	"time"
 
 	C "github.com/Dreamacro/clash/constant"
-	_ "github.com/Dreamacro/clash/constant/mime"
 	"github.com/Dreamacro/clash/log"
 	"github.com/Dreamacro/clash/tunnel/statistic"
 
diff --git a/test/.golangci.yaml b/test/.golangci.yaml
index cfaed77..b65afc5 100644
--- a/test/.golangci.yaml
+++ b/test/.golangci.yaml
@@ -13,4 +13,4 @@ linters-settings:
       - prefix(github.com/Dreamacro/clash)
       - default
   staticcheck:
-    go: '1.18'
+    go: '1.19'