diff --git a/.travis.yml b/.travis.yml
index ad0335d8a..1a57c9f5e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,10 +15,10 @@ notifications:
 matrix:
   include:
     - python: "3.4"
-      env: WITH_OPT_DEPS=true
+      env: WITH_OPT_DEPS=false
       dist: trusty
     - python: "3.5"
-      env: WITH_OPT_DEPS=true
+      env: WITH_OPT_DEPS=false
       dist: trusty
     - python: "3.6"
       env: WITH_OPT_DEPS=true