diff --git a/.travis.yml b/.travis.yml
index 1f9702d..34fc93a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: rust
 sudo: false
 rust:
   - 1.15.0
-  - 1.22.0 # rand
   - 1.26.0 # has_i128
   - 1.31.0 # 2018!
   - stable
diff --git a/ci/test_full.sh b/ci/test_full.sh
index bf992d2..9b7ff72 100755
--- a/ci/test_full.sh
+++ b/ci/test_full.sh
@@ -5,10 +5,10 @@ set -ex
 echo Testing num-complex on rustc ${TRAVIS_RUST_VERSION}
 
 FEATURES="std serde"
-if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.26.0|1.22.0)$ ]]; then
+if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.31.0)$ ]]; then
   FEATURES="$FEATURES rand"
 fi
-if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.26.0)$ ]]; then
+if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.31.0|1.26.0)$ ]]; then
   FEATURES="$FEATURES i128"
 fi