diff --git a/build/tools.go b/build/tools.go
index 60e1880c803..ad60ce3a675 100644
--- a/build/tools.go
+++ b/build/tools.go
@@ -17,7 +17,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// This package imports things required by build scripts and test packages of submodules, to force `go mod` to see them as dependencies
+// This package imports things required by build scripts, to force `go mod` to see them as dependencies
 package tools
 
 import (
@@ -28,7 +28,4 @@ import (
 	_ "k8s.io/code-generator/cmd/go-to-protobuf"
 	_ "k8s.io/code-generator/cmd/go-to-protobuf/protoc-gen-gogo"
 	_ "k8s.io/kube-openapi/cmd/openapi-gen"
-
-	// submodule test dependencies
-	_ "github.com/armon/go-socks5" // for staging/src/k8s.io/apimachinery/pkg/util/httpstream/spdy/roundtripper_test.go
 )
diff --git a/go.mod b/go.mod
index c4ea3e0682f..af3a60bbe09 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,6 @@ require (
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/Microsoft/hnslib v0.1.1
 	github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2
-	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
 	github.com/blang/semver/v4 v4.0.0
 	github.com/container-storage-interface/spec v1.9.0
 	github.com/coredns/corefile-migration v1.0.27