diff --git a/.travis.yml b/.travis.yml
index 0f8dd8bd9..d27fa2157 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,9 @@ addons:
 
 language: php
 
+env:
+  - PHAN_ALLOW_XDEBUG=0
+
 matrix:
   include:
     - php: 7.4