diff --git a/.travis.yml b/.travis.yml
index d5368cc..65fa9b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: rust
 cache: cargo
 matrix:
-  # allow_failures:
-  #   - rust: nightly
   include:
     # Stable channel.
     - os: linux
@@ -36,38 +34,6 @@ matrix:
     - os: linux
       rust: beta
       env: TARGET=x86_64-unknown-linux-gnu
-    # Disabled to reduce total CI time
-    # - os: linux
-    #   rust: beta
-    #   env: TARGET=x86_64-unknown-linux-musl
-    # - os: linux
-    #   rust: beta
-    #   env: TARGET=i686-unknown-linux-gnu
-    # - os: linux
-    #   rust: beta
-    #   env: TARGET=i686-unknown-linux-musl
-    # - os: osx
-    #   rust: beta
-    #   env: TARGET=x86_64-apple-darwin
-
-    # switch off nightly due to crossbeam errors
-    # # Nightly channel.
-    # - os: linux
-    #   rust: nightly
-    #   env: TARGET=x86_64-unknown-linux-gnu
-    # Disabled to reduce total CI time
-    # - os: linux
-    #   rust: nightly
-    #   env: TARGET=x86_64-unknown-linux-musl
-    # - os: linux
-    #   rust: nightly
-    #   env: TARGET=i686-unknown-linux-gnu
-    # - os: linux
-    #   rust: nightly
-    #   env: TARGET=i686-unknown-linux-musl
-    # - os: osx
-    #   rust: nightly
-    #   env: TARGET=x86_64-apple-darwin
 
     # Minimum Rust supported channel.
     - os: linux
@@ -86,14 +52,6 @@ matrix:
       rust: 1.36.0
       env: TARGET=x86_64-apple-darwin
 
-    # Code formatting check
-    # - os: linux
-    #   rust: nightly
-    #   # skip the global install step
-    #   install:
-    #     - cargo install --debug --force rustfmt-nightly
-    #   script: cargo fmt -- --check
-
 sudo: required
 
 before_install:
diff --git a/appveyor.yml b/appveyor.yml
index 080cec3..a7f7075 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,24 +13,6 @@ environment:
       CHANNEL: stable
     - TARGET: x86_64-pc-windows-msvc
       CHANNEL: stable
-    # Beta channel (disabled for speed reasons)
-    #- TARGET: i686-pc-windows-gnu
-    #  CHANNEL: beta
-    #- TARGET: i686-pc-windows-msvc
-    #  CHANNEL: beta
-    #- TARGET: x86_64-pc-windows-gnu
-    #  CHANNEL: beta
-    #- TARGET: x86_64-pc-windows-msvc
-    #  CHANNEL: beta
-    # Nightly channel (disabled for speed reasons)
-    #- TARGET: i686-pc-windows-gnu
-    #  CHANNEL: nightly
-    #- TARGET: i686-pc-windows-msvc
-    #  CHANNEL: nightly
-    #- TARGET: x86_64-pc-windows-gnu
-    #  CHANNEL: nightly
-    #- TARGET: x86_64-pc-windows-msvc
-    #  CHANNEL: nightly
 
 # Install Rust and Cargo
 # (Based on from https://github.com/rust-lang/libc/blob/master/appveyor.yml)
@@ -86,9 +68,4 @@ branches:
     - master
     # IMPORTANT Regex to match tags. Required, or appveyor may not trigger deploys when a new tag
     # is pushed. This regex matches semantic versions like v1.2.3-rc4+2016.02.22
-    - /^v\d+\.\d+\.\d+.*$/
-
-# Disable caching, for now
-#cache:
-#  - '%USERPROFILE%\.cargo'
-#  - 'target -> Cargo.lock'
+    - /^v\d+\.\d+\.\d+.*$/
\ No newline at end of file