diff --git a/.travis.yml b/.travis.yml
index b3e1e4e8..eb188274 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,11 +52,10 @@ jobs:
         - ls -t regression/install | tail -n+2 | sed s@^@regression/install/@ | xargs rm -rf
       env: SUITE=none
     - &test
-      sudo: required
       stage: Test
       script:
-        - make emulator-ndebug -C regression SUITE=$SUITE JVM_MEMORY=6G
-        - travis_wait 30 make emulator-regression-tests -C regression SUITE=$SUITE JVM_MEMORY=6G
+        - make emulator-ndebug -C regression SUITE=$SUITE JVM_MEMORY=3G
+        - travis_wait 30 make emulator-regression-tests -C regression SUITE=$SUITE JVM_MEMORY=3G
       env: SUITE=RocketSuiteA
     - <<: *test
       env: SUITE=RocketSuiteB