diff --git a/.travis.yml b/.travis.yml
index 55f8055..50ae872 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,7 @@ php:
  - 5.3
 
 env:
- - DB=MYSQL CORE_RELEASE=3.0
  - DB=MYSQL CORE_RELEASE=3.1
- - DB=MYSQL CORE_RELEASE=master
- - DB=PGSQL CORE_RELEASE=master
 
 matrix:
   include: