diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index d0490437c..fd580ca4e 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -57,7 +57,6 @@ jobs:
         uses: actions/setup-dotnet@v2
         with:
           dotnet-version: |
-            3.1.x
             6.0.x
 
       - name: "Build: WindowsServer"
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 558ed45ea..129256b6d 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -24,7 +24,6 @@ jobs:
         uses: actions/setup-dotnet@v2
         with:
           dotnet-version: |
-            3.1.x
             6.0.x
 
       - name: Initialize environment
diff --git a/.github/workflows/update-docs.yml b/.github/workflows/update-docs.yml
index b70fb300d..0e0fe8136 100644
--- a/.github/workflows/update-docs.yml
+++ b/.github/workflows/update-docs.yml
@@ -25,7 +25,6 @@ jobs:
         uses: actions/setup-dotnet@v2
         with:
           dotnet-version: |
-            3.1.x
             6.0.x
 
       - uses: leafo/gh-actions-lua@v8