diff --git a/profiles/latest/cognitiveservices/qnamaker/models.go b/profiles/latest/cognitiveservices/qnamaker/models.go
index fefe9d56eef0..2b7767ec320d 100644
--- a/profiles/latest/cognitiveservices/qnamaker/models.go
+++ b/profiles/latest/cognitiveservices/qnamaker/models.go
@@ -47,13 +47,6 @@ const (
 	ValidationFailure ErrorCodeType = original.ValidationFailure
 )
 
-type KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentType
-
-const (
-	KnowledgebaseEnvironmentTypeProd KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentTypeProd
-	KnowledgebaseEnvironmentTypeTest KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentTypeTest
-)
-
 type OperationStateType = original.OperationStateType
 
 const (
@@ -135,9 +128,6 @@ func PossibleEnvironmentTypeValues() []EnvironmentType {
 func PossibleErrorCodeTypeValues() []ErrorCodeType {
 	return original.PossibleErrorCodeTypeValues()
 }
-func PossibleKnowledgebaseEnvironmentTypeValues() []KnowledgebaseEnvironmentType {
-	return original.PossibleKnowledgebaseEnvironmentTypeValues()
-}
 func PossibleOperationStateTypeValues() []OperationStateType {
 	return original.PossibleOperationStateTypeValues()
 }
diff --git a/profiles/preview/cognitiveservices/qnamaker/models.go b/profiles/preview/cognitiveservices/qnamaker/models.go
index 8c67cecde797..4329ee96e118 100644
--- a/profiles/preview/cognitiveservices/qnamaker/models.go
+++ b/profiles/preview/cognitiveservices/qnamaker/models.go
@@ -47,13 +47,6 @@ const (
 	ValidationFailure ErrorCodeType = original.ValidationFailure
 )
 
-type KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentType
-
-const (
-	KnowledgebaseEnvironmentTypeProd KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentTypeProd
-	KnowledgebaseEnvironmentTypeTest KnowledgebaseEnvironmentType = original.KnowledgebaseEnvironmentTypeTest
-)
-
 type OperationStateType = original.OperationStateType
 
 const (
@@ -135,9 +128,6 @@ func PossibleEnvironmentTypeValues() []EnvironmentType {
 func PossibleErrorCodeTypeValues() []ErrorCodeType {
 	return original.PossibleErrorCodeTypeValues()
 }
-func PossibleKnowledgebaseEnvironmentTypeValues() []KnowledgebaseEnvironmentType {
-	return original.PossibleKnowledgebaseEnvironmentTypeValues()
-}
 func PossibleOperationStateTypeValues() []OperationStateType {
 	return original.PossibleOperationStateTypeValues()
 }
diff --git a/services/cognitiveservices/v4.0/qnamaker/models.go b/services/cognitiveservices/v4.0/qnamaker/models.go
index bf4f36a94223..a5e23760bc24 100644
--- a/services/cognitiveservices/v4.0/qnamaker/models.go
+++ b/services/cognitiveservices/v4.0/qnamaker/models.go
@@ -78,21 +78,6 @@ func PossibleErrorCodeTypeValues() []ErrorCodeType {
 	return []ErrorCodeType{BadArgument, EndpointKeysError, ExtractionFailure, Forbidden, KbNotFound, NotFound, OperationNotFound, QnaRuntimeError, QuotaExceeded, ServiceError, SKULimitExceeded, Unauthorized, Unspecified, ValidationFailure}
 }
 
-// KnowledgebaseEnvironmentType enumerates the values for knowledgebase environment type.
-type KnowledgebaseEnvironmentType string
-
-const (
-	// KnowledgebaseEnvironmentTypeProd ...
-	KnowledgebaseEnvironmentTypeProd KnowledgebaseEnvironmentType = "Prod"
-	// KnowledgebaseEnvironmentTypeTest ...
-	KnowledgebaseEnvironmentTypeTest KnowledgebaseEnvironmentType = "Test"
-)
-
-// PossibleKnowledgebaseEnvironmentTypeValues returns an array of possible values for the KnowledgebaseEnvironmentType const type.
-func PossibleKnowledgebaseEnvironmentTypeValues() []KnowledgebaseEnvironmentType {
-	return []KnowledgebaseEnvironmentType{KnowledgebaseEnvironmentTypeProd, KnowledgebaseEnvironmentTypeTest}
-}
-
 // OperationStateType enumerates the values for operation state type.
 type OperationStateType string