diff --git a/src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigrateTFMRule.cs b/src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigrateTFMRule.cs
index 59db57adf..4a94c222a 100644
--- a/src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigrateTFMRule.cs
+++ b/src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigrateTFMRule.cs
@@ -28,6 +28,7 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Rules
             var propertyGroup = migrationRuleInputs.CommonPropertyGroup;
 
             CleanExistingProperties(csproj);
+            CleanExistingPackageReferences(csproj);
 
             _transformApplicator.Execute(
                 FrameworksTransform.Transform(migrationRuleInputs.ProjectContexts.Select(p => p.TargetFramework)),