diff --git a/.travis.yml b/.travis.yml
index 865eda8a..1b07feb8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,7 +35,7 @@ install:
     - pip3 install --user scons
     - pip3 install --user flake8
     - pip3 install --user pytest
-    - pip3 install --user ecdsa mnemonic protobuf requests
+    - pip3 install --user ecdsa mnemonic requests
     - pip3 install --user click pyblake2
     - pip3 install --user --no-deps git+https://github.com/trezor/python-trezor@master