diff --git a/src/PostTypeManager.php b/src/PostTypeManager.php
index 070ce27..4f4b156 100644
--- a/src/PostTypeManager.php
+++ b/src/PostTypeManager.php
@@ -100,6 +100,16 @@ public function registerPostTypes($classNames)
 			}
 		}, '99', 2); // use high priority value to ensure this happens after acf finishes saving its metadata
 
+		add_action('before_delete_post', function($postId) {
+			$query = (new OowpQuery([
+				'post__in' => [$postId],
+				'post_status' => 'trash'
+			]));
+			if (count($query)) {
+				$query->posts[0]->onDelete();
+			}
+		});
+
 		$this->registered = true;
 		do_action('oowp/all_post_types_registered', $this->postTypes);
     }
diff --git a/src/PostTypes/WordpressPost.php b/src/PostTypes/WordpressPost.php
index bcfeb4a..d7282ca 100644
--- a/src/PostTypes/WordpressPost.php
+++ b/src/PostTypes/WordpressPost.php
@@ -121,6 +121,13 @@ public function onSave($postData) {
 		// do nothing
 	}
 
+	/**
+	 * Override this to hook into the before_delete event.
+	 */
+	public function onDelete() {
+		// do nothing
+	}
+
 	/**
 	 * Proxy magic properties to WP_Post
 	 * @param string $name