diff --git a/app/portainer/components/forms/stack-redeploy-git-form/stack-redeploy-git-form.controller.js b/app/portainer/components/forms/stack-redeploy-git-form/stack-redeploy-git-form.controller.js
index d8a9d5974..06e1389f3 100644
--- a/app/portainer/components/forms/stack-redeploy-git-form/stack-redeploy-git-form.controller.js
+++ b/app/portainer/components/forms/stack-redeploy-git-form/stack-redeploy-git-form.controller.js
@@ -38,7 +38,6 @@ class StackRedeployGitFormController {
     this.onChangeRef = this.onChangeRef.bind(this);
     this.onChangeAutoUpdate = this.onChangeAutoUpdate.bind(this);
     this.onChangeEnvVar = this.onChangeEnvVar.bind(this);
-    this.handleEnvVarChange = this.handleEnvVarChange.bind(this);
   }
 
   buildAnalyticsProperties() {
@@ -143,10 +142,6 @@ class StackRedeployGitFormController {
     return this.state.inProgress || this.state.redeployInProgress;
   }
 
-  handleEnvVarChange(value) {
-    this.formValues.Env = value;
-  }
-
   isAutoUpdateChanged() {
     const wasEnabled = !!(this.stack.AutoUpdate && (this.stack.AutoUpdate.Interval || this.stack.AutoUpdate.Webhook));
     const isEnabled = this.formValues.AutoUpdate.RepositoryAutomaticUpdates;