diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a76229a81..eb8518a2a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,11 +62,6 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - name: Setup .NET Core 2.1.x
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: "2.1.x"
-
     - name: Setup .NET Core 3.1.x
       uses: actions/setup-dotnet@v1
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9af8d0fee..bf10ce542 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -62,11 +62,6 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - name: Setup .NET Core 2.1.x
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: "2.1.x"
-
     - name: Setup .NET Core 3.1.x
       uses: actions/setup-dotnet@v1
       with: