diff --git a/.travis.yml b/.travis.yml
index d09ce876a9b..a1eed0cb329 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 cache: cargo
 before_cache:
   - find ./target/debug -type f -maxdepth 1 -delete
-  - rm -fr ./target/debug/{deps,.fingerprint}/{*ra_*,*test*}
+  - rm -fr ./target/debug/{deps,.fingerprint}/{*ra_*,*test*,*tools*,*gen_lsp*}
 
 env:
   - CARGO_INCREMENTAL=0