diff --git a/src/Robo/Tasks/DrushTask.php b/src/Robo/Tasks/DrushTask.php
index 7cea77b95..42faa99ee 100644
--- a/src/Robo/Tasks/DrushTask.php
+++ b/src/Robo/Tasks/DrushTask.php
@@ -47,13 +47,6 @@ class DrushTask extends CommandStack {
    */
   protected $uri;
 
-  /**
-   * Indicates if the command should be interactive or use default values.
-   *
-   * @var string|bool
-   */
-  protected $interactive;
-
   /**
    * Indicates if the command output should be verbose.
    *
@@ -154,23 +147,6 @@ public function dir($dir) {
     return $this;
   }
 
-  /**
-   * Indicates if the command should be interactive.
-   *
-   * @param string|bool $interactive
-   *
-   * @return $this
-   */
-  public function interactive($interactive) {
-    if ($interactive === "") {
-      $this->interactive = $interactive;
-    }
-    else {
-      $this->interactive = $this->mixedToBool($interactive);
-    }
-    return $this;
-  }
-
   /**
    * Indicates if the command output should be verbose.
    *