diff --git a/core/src/main/scala/com/microsoft/azure/synapse/ml/codegen/PyCodegen.scala b/core/src/main/scala/com/microsoft/azure/synapse/ml/codegen/PyCodegen.scala
index cf05960c93..d59cec2538 100644
--- a/core/src/main/scala/com/microsoft/azure/synapse/ml/codegen/PyCodegen.scala
+++ b/core/src/main/scala/com/microsoft/azure/synapse/ml/codegen/PyCodegen.scala
@@ -16,8 +16,6 @@ import java.io.File
 
 object PyCodegen {
 
-  type Foo = Estimator[_ <: Model[_]]
-
   import CodeGenUtils._
 
   def generatePythonClasses(conf: CodegenConfig): Unit = {