diff --git a/.travis.yml b/.travis.yml
index 05cff4c8560ef701d415ccdbae6fc31165cc8875..0567d0be57ff6b41bbf375801a21715513c52682 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ env:
   - GO15VENDOREXPERIMENT=1 MYSQL_TEST_CONFIG="mysql:user:passwd:localhost" MONGO_TEST_CONFIG="mongo:user:passwd:localhost"
 
 go:
-  - 1.5.4
   - 1.6.3
   - 1.7
   - tip
diff --git a/README.md b/README.md
index 5b5294ae6ad9d356f8affab6df94480932445640..e7a5c79f81195823d12c9257ba799a136871dc35 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ docker run -it --rm -p 10000:10000 --name cashier -v $(pwd):/cashier nsheridan/c
 
 # Requirements
 ## Server
-Go 1.5 (with `GO15VENDOREXPERIMENT` set) or later. May work with earlier versions.
+Go 1.6 or later. May work with earlier versions but not tested.
 
 ## Client
 OpenSSH 5.6 or newer.