diff --git a/internal/plugin/subprocess_commands_test.go b/internal/plugin/subprocess_commands_test.go
index a916a176f..8e9c1663e 100644
--- a/internal/plugin/subprocess_commands_test.go
+++ b/internal/plugin/subprocess_commands_test.go
@@ -16,7 +16,6 @@ limitations under the License.
 package plugin
 
 import (
-	"os"
 	"reflect"
 	"runtime"
 	"testing"
@@ -225,7 +224,6 @@ func TestPrepareCommandsNoCommands(t *testing.T) {
 }
 
 func TestPrepareCommandsExpand(t *testing.T) {
-	t.Setenv("TESTX", "testx")
 	cmdMain := "sh"
 	cmdArgs := []string{"-c", "echo \"${TESTX}${TESTY}\""}
 	cmds := []PlatformCommand{
@@ -234,8 +232,10 @@ func TestPrepareCommandsExpand(t *testing.T) {
 
 	expectedArgs := []string{"-c", "echo \"testxtesty\""}
 
-	env := parseEnv(os.Environ())
-	env["TESTY"] = "testy"
+	env := map[string]string{
+		"TESTX": "testx",
+		"TESTY": "testy",
+	}
 
 	cmd, args, err := PrepareCommands(cmds, true, []string{}, env)
 	if err != nil {
@@ -250,13 +250,15 @@ func TestPrepareCommandsExpand(t *testing.T) {
 }
 
 func TestPrepareCommandsNoExpand(t *testing.T) {
-	t.Setenv("TEST", "test")
 	cmdMain := "sh"
 	cmdArgs := []string{"-c", "echo \"${TEST}\""}
 	cmds := []PlatformCommand{
 		{OperatingSystem: "", Architecture: "", Command: cmdMain, Args: cmdArgs},
 	}
-	env := parseEnv(os.Environ())
+
+	env := map[string]string{
+		"TEST": "test",
+	}
 
 	cmd, args, err := PrepareCommands(cmds, false, []string{}, env)
 	if err != nil {