diff --git a/.travis.yml b/.travis.yml
index f87adab9..474eb377 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,54 +3,54 @@ matrix:
   allow_failures:
     - rust: nightly
   include:
-    - language: rust
-      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
-      # (The version in Travis's default Ubuntu Trusty is much too old).
-      os: osx
-      before_install:
-        - brew install sqlcipher --with-fts
-      rust: 1.25.0  # Must align with `build/version.rs`.
-      script:
-        - ./scripts/cargo_test.sh
-      after_success:
-        - |
-          if [[ "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "master" ]]; then
-            cargo doc &&
-            echo "<meta http-equiv=refresh content=0;url=mentat/index.html>" > target/doc/index.html &&
-            git clone https://github.com/davisp/ghp-import.git &&
-            ./ghp-import/ghp_import.py -n -p -f -r https://"$GH_TOKEN"@github.com/"$TRAVIS_REPO_SLUG.git" target/doc
-          fi
-      cache: cargo
-    - language: rust
-      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
-      # (The version in Travis's default Ubuntu Trusty is much too old).
-      os: osx
-      before_install:
-        - brew install sqlcipher --with-fts
-      rust: stable
-      script:
-        - ./scripts/cargo_test.sh
-      cache: cargo
-    - language: rust
-      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
-      # (The version in Travis's default Ubuntu Trusty is much too old).
-      os: osx
-      before_install:
-        - brew install sqlcipher --with-fts
-      rust: beta
-      script:
-        - ./scripts/cargo_test.sh
-      cache: cargo
-    - language: rust
-      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
-      # (The version in Travis's default Ubuntu Trusty is much too old).
-      os: osx
-      before_install:
-        - brew install sqlcipher --with-fts
-      rust: nightly
-      script:
-        - ./scripts/cargo_test.sh
-      cache: cargo
+    # - language: rust
+    #   # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+    #   # (The version in Travis's default Ubuntu Trusty is much too old).
+    #   os: osx
+    #   before_install:
+    #     - brew install sqlcipher --with-fts
+    #   rust: 1.25.0  # Must align with `build/version.rs`.
+    #   script:
+    #     - ./scripts/cargo_test.sh
+    #   after_success:
+    #     - |
+    #       if [[ "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "master" ]]; then
+    #         cargo doc &&
+    #         echo "<meta http-equiv=refresh content=0;url=mentat/index.html>" > target/doc/index.html &&
+    #         git clone https://github.com/davisp/ghp-import.git &&
+    #         ./ghp-import/ghp_import.py -n -p -f -r https://"$GH_TOKEN"@github.com/"$TRAVIS_REPO_SLUG.git" target/doc
+    #       fi
+    #   cache: cargo
+    # - language: rust
+    #   # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+    #   # (The version in Travis's default Ubuntu Trusty is much too old).
+    #   os: osx
+    #   before_install:
+    #     - brew install sqlcipher --with-fts
+    #   rust: stable
+    #   script:
+    #     - ./scripts/cargo_test.sh
+    #   cache: cargo
+    # - language: rust
+    #   # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+    #   # (The version in Travis's default Ubuntu Trusty is much too old).
+    #   os: osx
+    #   before_install:
+    #     - brew install sqlcipher --with-fts
+    #   rust: beta
+    #   script:
+    #     - ./scripts/cargo_test.sh
+    #   cache: cargo
+    # - language: rust
+    #   # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+    #   # (The version in Travis's default Ubuntu Trusty is much too old).
+    #   os: osx
+    #   before_install:
+    #     - brew install sqlcipher --with-fts
+    #   rust: nightly
+    #   script:
+    #     - ./scripts/cargo_test.sh
+    #   cache: cargo
     - language: rust
       dist: trusty
       rust: stable