diff --git a/project.clj b/project.clj
index a2926425..71fd03d6 100644
--- a/project.clj
+++ b/project.clj
@@ -114,7 +114,7 @@
   :ring {:handler auto-ap.handler/app}
   :source-paths ["src/clj" "src/cljc" "src/cljs" "iol_ion/src" ]
   :resource-paths ["resources"]
-  :aliases {"build" ["do" "clean" ["uberjar"]]
+  :aliases {"build" ["do" ["uberjar"]]
             "fig:dev"  ["run" "-m" "figwheel.main" "-b" "dev" "-r"]
             "fig:min"  ["run" "-m" "figwheel.main" "-O" "whitespace" "-bo" "min"]}