diff --git a/workflow/executor/os-specific/command.go b/workflow/executor/os-specific/command.go
index 3e636babcd77..5d59672104eb 100644
--- a/workflow/executor/os-specific/command.go
+++ b/workflow/executor/os-specific/command.go
@@ -3,8 +3,6 @@ package os_specific
 import (
 	"io"
 	"os"
-	"os/exec"
-	"time"
 
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/term"
@@ -12,19 +10,6 @@ import (
 
 var logger = log.WithField("argo", true)
 
-func simpleStart(cmd *exec.Cmd) (func(), error) {
-	if err := cmd.Start(); err != nil {
-		return nil, err
-	}
-
-	closer := func() {
-		cmd.WaitDelay = 100 * time.Millisecond
-		_ = cmd.Wait()
-	}
-
-	return closer, nil
-}
-
 func isTerminal(stdin io.Reader) bool {
 	f, ok := stdin.(*os.File)
 	return ok && term.IsTerminal(int(f.Fd()))
diff --git a/workflow/executor/os-specific/command_unix.go b/workflow/executor/os-specific/command_unix.go
index 4f6090f92541..5c8a8814ef6c 100644
--- a/workflow/executor/os-specific/command_unix.go
+++ b/workflow/executor/os-specific/command_unix.go
@@ -9,6 +9,7 @@ import (
 	"os/exec"
 	"os/signal"
 	"syscall"
+	"time"
 
 	"github.com/creack/pty"
 	"golang.org/x/term"
@@ -88,3 +89,16 @@ func StartCommand(cmd *exec.Cmd) (func(), error) {
 
 	return closer, nil
 }
+
+func simpleStart(cmd *exec.Cmd) (func(), error) {
+	if err := cmd.Start(); err != nil {
+		return nil, err
+	}
+
+	closer := func() {
+		cmd.WaitDelay = 100 * time.Millisecond
+		_ = cmd.Wait()
+	}
+
+	return closer, nil
+}
diff --git a/workflow/executor/os-specific/command_windows.go b/workflow/executor/os-specific/command_windows.go
index 5caf0d6ad2f8..4dd9f575d9f7 100644
--- a/workflow/executor/os-specific/command_windows.go
+++ b/workflow/executor/os-specific/command_windows.go
@@ -15,3 +15,14 @@ func StartCommand(cmd *exec.Cmd) (func(), error) {
 	}
 	return simpleStart(cmd)
 }
+
+func simpleStart(cmd *exec.Cmd) (func(), error) {
+	if err := cmd.Start(); err != nil {
+		return nil, err
+	}
+
+	closer := func() {
+	}
+
+	return closer, nil
+}