diff --git a/.travis.yml b/.travis.yml
index 592671893..f2ec8afe3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,7 @@ script:
   - sudo mkdir -p /usr/share/cppcheck/cfg
   - sudo install -D ./cfg/* -t /usr/share/cppcheck/cfg
   - /usr/bin/cppcheck ./cli
+  - make reduce -j 4
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