Remove non-existent API versions
diff --git a/.travis.yml b/.travis.yml
index 867a25d..4465a63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,8 +10,6 @@
     - API_VERSION=2.8.3
     - API_VERSION=2.8.4
     - API_VERSION=2.8.5
-    - API_VERSION=2.8.6
-    - API_VERSION=2.8.6.1
     - API_VERSION=2.9
 
 install: true