diff --git a/command/cleanup.go b/command/cleanup.go
index f0aa202..2fbad44 100644
--- a/command/cleanup.go
+++ b/command/cleanup.go
@@ -36,6 +36,7 @@ func CmdCleanup(c *cli.Context) (err error) {
 	} else {
 		// undeploy all closed pull requests
 		var deployed []string
+
 		deployed, err = listDeployedPullRequests(listScript)
 		if err != nil {
 			return err
@@ -48,10 +49,13 @@ func CmdCleanup(c *cli.Context) (err error) {
 		if err != nil {
 			return err
 		}
+
 		openPRs := make([]string, len(prs))
+
 		for i, pr := range prs {
 			openPRs[i] = fmt.Sprintf("pr-%d", *pr.Number)
 		}
+
 		log.Println("open PRs:", openPRs)
 
 		// Now get a list of all the deployed PRs that are not open
@@ -72,7 +76,9 @@ func CmdCleanup(c *cli.Context) (err error) {
 		pullRequestID, err := strconv.Atoi(name)
 		if err != nil {
 			log.Println("Unable to parse pull request id: ", name)
+
 			lastErr = err
+
 			continue
 		}
 
@@ -83,7 +89,9 @@ func CmdCleanup(c *cli.Context) (err error) {
 		err = cmd.Run()
 		if err != nil {
 			log.Println("undeploy error: ", err)
+
 			lastErr = err
+
 			continue
 		}
 
diff --git a/command/cleanup_test.go b/command/cleanup_test.go
deleted file mode 100644
index f924a59..0000000
--- a/command/cleanup_test.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package command_test
-
-import "testing"
-
-func TestCmdCleanup(t *testing.T) {
-	// Write your code here
-}
diff --git a/command/please_test.go b/command/please_test.go
index 03174e0..9a0c518 100644
--- a/command/please_test.go
+++ b/command/please_test.go
@@ -2,6 +2,6 @@ package command_test
 
 import "testing"
 
-func TestCmdPlease(t *testing.T) {
+func TestCmdPlease(_ *testing.T) {
 	// Write your code here
 }
diff --git a/gitsrc/gitsrc.go b/gitsrc/gitsrc.go
index 2a24145..df4e498 100644
--- a/gitsrc/gitsrc.go
+++ b/gitsrc/gitsrc.go
@@ -69,34 +69,34 @@ func (x *gitSource) String(name string) (string, error) {
 
 // These are implemented to satisfy the altsrc.InputSourceContext interface
 
-func (x *gitSource) Int(name string) (int, error) {
+func (x *gitSource) Int(_ string) (int, error) {
 	return 0, ErrNotSupported
 }
 
-func (x *gitSource) Duration(name string) (time.Duration, error) {
+func (x *gitSource) Float64(_ string) (float64, error) {
 	return 0, ErrNotSupported
 }
 
-func (x *gitSource) Float64(name string) (float64, error) {
+func (x *gitSource) Duration(_ string) (time.Duration, error) {
 	return 0, ErrNotSupported
 }
 
-func (x *gitSource) StringSlice(name string) ([]string, error) {
+func (x *gitSource) StringSlice(_ string) ([]string, error) {
 	return nil, ErrNotSupported
 }
 
-func (x *gitSource) IntSlice(name string) ([]int, error) {
+func (x *gitSource) IntSlice(_ string) ([]int, error) {
 	return nil, ErrNotSupported
 }
 
-func (x *gitSource) Generic(name string) (cli.Generic, error) { //nolint:nolintlint,ireturn
+func (x *gitSource) Generic(_ string) (cli.Generic, error) { //nolint:nolintlint,ireturn
 	return nil, ErrNotSupported
 }
 
-func (x *gitSource) Bool(name string) (bool, error) {
+func (x *gitSource) Bool(_ string) (bool, error) {
 	return false, ErrNotSupported
 }
 
-func (x *gitSource) BoolT(name string) (bool, error) {
+func (x *gitSource) BoolT(_ string) (bool, error) {
 	return false, ErrNotSupported
 }
diff --git a/main.go b/main.go
index 64407fa..61abf5c 100644
--- a/main.go
+++ b/main.go
@@ -26,6 +26,5 @@ func main() {
 
 	if err := app.Run(os.Args); err != nil {
 		log.Fatal("ERROR:", err)
-		os.Exit(1)
 	}
 }