diff --git a/.travis.yml b/.travis.yml
index 1618b7b..2af492c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,6 @@ go:
 
 env:
   - GO111MODULE=on
-  - GOFLAGS="-mod=readonly"
 
 matrix:
   allow_failures: