diff --git a/specification/cognitiveservices/Language.Conversations/client.tsp b/specification/cognitiveservices/Language.Conversations/client.tsp
index 5afa92a6c420..e1d91d99c96b 100644
--- a/specification/cognitiveservices/Language.Conversations/client.tsp
+++ b/specification/cognitiveservices/Language.Conversations/client.tsp
@@ -141,7 +141,6 @@ namespace Language.ConversationsClientCustomizations;
 
 @@clientName(ConversationalTask.analysisInput, "ConversationInput", "csharp");
 @@clientName(ConversationalTask.parameters, "ActionContent", "csharp");
-@@clientName(ConversationTaskParameters, "ConversationActionContent", "csharp");
 
 @@clientName(AnalyzeConversationTaskResult,
   "AnalyzeConversationActionResult",
@@ -178,7 +177,6 @@ namespace Language.ConversationsClientCustomizations;
 
 @@clientName(AnalyzeConversationPiiTask, "PiiOperationAction", "csharp");
 @@clientName(AnalyzeConversationPiiTask.parameters, "ActionContent", "csharp");
-@@clientName(ConversationPiiTaskParameters, "PiiActionContent", "csharp");
 
 @@clientName(AnalyzeCustomConversationSummarizationTask,
   "CustomSummarizationOperationAction",
@@ -188,10 +186,6 @@ namespace Language.ConversationsClientCustomizations;
   "ActionContent",
   "csharp"
 );
-@@clientName(CustomConversationSummarizationTaskParameters,
-  "CustomConversationSummarizationActionContent",
-  "csharp"
-);
 
 @@clientName(AnalyzeConversationSummarizationTask,
   "SummarizationOperationAction",
@@ -201,10 +195,6 @@ namespace Language.ConversationsClientCustomizations;
   "ActionContent",
   "csharp"
 );
-@@clientName(ConversationSummarizationTaskParameters,
-  "ConversationSummarizationActionContent",
-  "csharp"
-);
 
 @@clientName(AnalyzeConversationJobState,
   "AnalyzeConversationOperationState",