diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index f4b19c4..d6d2dff 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -24,30 +24,16 @@ jobs:
           - otp-version: '24'
             rebar3-version: 'nightly'
             os: 'ubuntu-latest'
-          - elixir-version: 'v1.0'
-            otp-version: '17'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.0'
             otp-version: '17'
             os: 'ubuntu-18.04'
-          - elixir-version: 'v1.1'
-            otp-version: '18'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.1'
             otp-version: '18'
             os: 'ubuntu-18.04'
-          - elixir-version: 'v1.2'
-            otp-version: '19'
-            rebar3-version: '3.10'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.2'
             otp-version: '19'
             rebar3-version: '3.10'
             os: 'ubuntu-18.04'
-          - elixir-version: 'v1.4'
-            otp-version: '20'
-            rebar3-version: '3.11'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.4'
             otp-version: '20'
             rebar3-version: '3.6.0'
@@ -56,10 +42,6 @@ jobs:
             otp-version: '20'
             rebar3-version: '3.11'
             os: 'ubuntu-20.04'
-          - elixir-version: 'v1.6'
-            otp-version: '21'
-            rebar3-version: '3.12'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.6'
             otp-version: '21'
             rebar3-version: '3.12'
@@ -68,10 +50,6 @@ jobs:
             otp-version: '21'
             rebar3-version: '3.12'
             os: 'ubuntu-20.04'
-          - elixir-version: 'v1.7'
-            otp-version: '22'
-            rebar3-version: '3.13'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.7'
             otp-version: '22'
             rebar3-version: '3.13'
@@ -80,10 +58,6 @@ jobs:
             otp-version: '22'
             rebar3-version: '3.13'
             os: 'ubuntu-20.04'
-          - elixir-version: 'v1.10'
-            otp-version: '23'
-            rebar3-version: '3.14'
-            os: 'ubuntu-16.04'
           - elixir-version: 'v1.10'
             otp-version: '23'
             rebar3-version: '3.14'
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 4baa778..23d43e9 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -30,24 +30,6 @@ jobs:
           - otp-version: '23.0'
             rebar3-version: '3.15'
             os: 'windows-2019'
-          - otp-version: '24.0.2'
-            rebar3-version: '3.16'
-            os: 'windows-2016'
-          - otp-version: '23.0'
-            rebar3-version: '3.15'
-            os: 'windows-2016'
-          - otp-version: '22.3'
-            rebar3-version: '3.15'
-            os: 'windows-2016'
-          - otp-version: '22.0'
-            rebar3-version: '3.15'
-            os: 'windows-2016'
-          - otp-version: '21.3'
-            rebar3-version: '3.15'
-            os: 'windows-2016'
-          - otp-version: '21.0'
-            rebar3-version: '3.15'
-            os: 'windows-2016'
           - elixir-version: 'v1.10'
             otp-version: '23'
             rebar3-version: '3.14'
diff --git a/README.md b/README.md
index 8682e69..e64a4dc 100644
--- a/README.md
+++ b/README.md
@@ -49,10 +49,8 @@ and Erlang/OTP.
 
 | Operating system | Erlang/OTP | Status
 |-                 |-           |-
-| ubuntu-16.04     | 17 - 24    | ✅
 | ubuntu-18.04     | 17 - 24    | ✅
 | ubuntu-20.04     | 20 - 24    | ✅
-| windows-2016     | 21* - 24   | ✅
 | windows-2019     | 21* - 24   | ✅
 
 **Note** *: prior to 23, Windows builds are only available for minor versions, e.g. 21.0, 21.3, 22.0, etc.
@@ -64,10 +62,8 @@ uses that to download assets:
 
 | ImageOS  | Operating system
 |-         |-
-| ubuntu16 | ubuntu-16.04
 | ubuntu18 | ubuntu-18.04
 | ubuntu20 | ubuntu-20.04
-| win16    | windows-2016
 | win19    | windows-2019
 
 as per the following example:
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 7e2162c..851d66b 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -398,10 +398,8 @@ function sortVersions(left, right) {
 
 function getRunnerOSVersion() {
   const ImageOSToContainer = {
-    ubuntu16: 'ubuntu-16.04',
     ubuntu18: 'ubuntu-18.04',
     ubuntu20: 'ubuntu-20.04',
-    win16: 'windows-2016',
     win19: 'windows-2019',
   }
   const containerFromEnvImageOS = ImageOSToContainer[process.env.ImageOS]