diff --git a/images/win/toolsets/toolset-2016.json b/images/win/toolsets/toolset-2016.json
index 0e2b153d..9b5015ee 100644
--- a/images/win/toolsets/toolset-2016.json
+++ b/images/win/toolsets/toolset-2016.json
@@ -383,7 +383,6 @@
     },
     "dotnet": {
         "versions": [
-            "2.1",
             "3.1",
             "5.0"
         ],
diff --git a/images/win/toolsets/toolset-2019.json b/images/win/toolsets/toolset-2019.json
index 273f5cd7..db2a57f5 100644
--- a/images/win/toolsets/toolset-2019.json
+++ b/images/win/toolsets/toolset-2019.json
@@ -418,7 +418,6 @@
     },
     "dotnet": {
         "versions": [
-            "2.1",
             "3.1",
             "5.0"
         ],