diff --git a/dashboard/builders_test.go b/dashboard/builders_test.go
index 5314d4b07e..3ef5036aba 100644
--- a/dashboard/builders_test.go
+++ b/dashboard/builders_test.go
@@ -1084,7 +1084,7 @@ func TestHostConfigIsVM(t *testing.T) {
 		},
 	}
 	for _, tc := range testCases {
-		t.Run(fmt.Sprintf(tc.desc), func(t *testing.T) {
+		t.Run(tc.desc, func(t *testing.T) {
 			if got := tc.config.IsVM(); got != tc.want {
 				t.Errorf("HostConfig.IsVM() = %t; want %t", got, tc.want)
 			}
diff --git a/internal/buildgo/buildgo.go b/internal/buildgo/buildgo.go
index 645b9b2e34..be98958f1a 100644
--- a/internal/buildgo/buildgo.go
+++ b/internal/buildgo/buildgo.go
@@ -224,7 +224,7 @@ func VersionTgz(rev string) io.Reader {
 		}
 	}
 
-	contents := fmt.Sprintf("devel " + rev)
+	contents := "devel " + rev
 	check(tw.WriteHeader(&tar.Header{
 		Name: "VERSION",
 		Mode: 0644,
diff --git a/internal/cloud/aws_test.go b/internal/cloud/aws_test.go
index 4861ddf124..d2d15890b8 100644
--- a/internal/cloud/aws_test.go
+++ b/internal/cloud/aws_test.go
@@ -325,17 +325,17 @@ func fakeClientWithInstances(t *testing.T, count int, opts ...option) (*AWSClien
 
 func randomVMConfig() *EC2VMConfiguration {
 	return &EC2VMConfiguration{
-		Description:    fmt.Sprintf("description-" + randHex(4)),
-		ImageID:        fmt.Sprintf("image-" + randHex(4)),
-		Name:           fmt.Sprintf("name-" + randHex(4)),
-		SSHKeyID:       fmt.Sprintf("ssh-key-id-" + randHex(4)),
-		SecurityGroups: []string{fmt.Sprintf("sg-" + randHex(4))},
+		Description:    "description-" + randHex(4),
+		ImageID:        "image-" + randHex(4),
+		Name:           "name-" + randHex(4),
+		SSHKeyID:       "ssh-key-id-" + randHex(4),
+		SecurityGroups: []string{"sg-" + randHex(4)},
 		Tags: map[string]string{
-			fmt.Sprintf("tag-key-" + randHex(4)): fmt.Sprintf("tag-value-" + randHex(4)),
+			"tag-key-" + randHex(4): "tag-value-" + randHex(4),
 		},
-		Type:     fmt.Sprintf("type-" + randHex(4)),
-		UserData: fmt.Sprintf("user-data-" + randHex(4)),
-		Zone:     fmt.Sprintf("zone-" + randHex(4)),
+		Type:     "type-" + randHex(4),
+		UserData: "user-data-" + randHex(4),
+		Zone:     "zone-" + randHex(4),
 	}
 }
 
diff --git a/internal/relui/workflows.go b/internal/relui/workflows.go
index d58da756c4..d59e07f837 100644
--- a/internal/relui/workflows.go
+++ b/internal/relui/workflows.go
@@ -1552,7 +1552,7 @@ func (tasks *BuildReleaseTasks) uploadModules(ctx *wf.TaskContext, version strin
 	want := map[string]bool{} // URLs we're waiting on becoming available.
 	for _, mod := range modules {
 		base := task.ToolchainModuleVersion(mod.Target, version)
-		if err := tasks.uploadFile(ctx, servingFS, mod.ZipScratch, fmt.Sprintf(base+".zip")); err != nil {
+		if err := tasks.uploadFile(ctx, servingFS, mod.ZipScratch, base+".zip"); err != nil {
 			return err
 		}
 		if err := gcsfs.WriteFile(servingFS, base+".info", []byte(mod.Info)); err != nil {