diff --git a/depreqs/gox.go b/depreqs/gox.go
deleted file mode 100644
index efb39ca1b..000000000
--- a/depreqs/gox.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package depreqs
-
-import (
-	"github.com/mitchellh/gox"
-)
-
-func main() {
-	_, _ = gox.GoVersion()
-}
diff --git a/go.mod b/go.mod
index 13c4ffe3c..8ca7a1153 100644
--- a/go.mod
+++ b/go.mod
@@ -10,8 +10,6 @@ require (
 	github.com/hashicorp/mdns v1.0.0
 	github.com/hashicorp/memberlist v0.1.3
 	github.com/mitchellh/cli v1.0.0
-	github.com/mitchellh/gox v0.4.0
-	github.com/mitchellh/iochan v1.0.0 // indirect
 	github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee
 	github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f
 	github.com/stretchr/testify v1.3.0 // indirect
diff --git a/go.sum b/go.sum
index 87b322e7b..86ab6eeff 100644
--- a/go.sum
+++ b/go.sum
@@ -47,10 +47,6 @@ github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0 h1:iGBIsUe3+HZ/AD/Vd7DErOt5sU9fa8Uj7A2s1aggv1Y=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
-github.com/mitchellh/gox v0.4.0 h1:lfGJxY7ToLJQjHHwi0EX6uYBdK78egf954SQl13PQJc=
-github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
-github.com/mitchellh/iochan v1.0.0 h1:C+X3KsSTLFVBr/tK1eYN/vs4rJcvsiLU338UhYPJWeY=
-github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee h1:kK7VuFVykgt0LfMSloWYjDOt4TnOcL0AxF0/rDq2VkM=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c h1:Lgl0gzECD8GnQ5QCWA8o6BtfL6mDH5rQgM4/fX3avOs=
diff --git a/serf/serf_test.go b/serf/serf_test.go
index fa526619b..84fe90449 100644
--- a/serf/serf_test.go
+++ b/serf/serf_test.go
@@ -327,7 +327,7 @@ func TestSerf_eventsUser_sizeLimit(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expect error")
 	}
-	if !strings.HasPrefix(err.Error(), "user event exceeds limit of ") {
+	if !strings.HasPrefix(err.Error(), "user event exceeds") {
 		t.Fatalf("should get size limit error")
 	}
 }