diff --git a/crates/language_models/src/provider/copilot_chat.rs b/crates/language_models/src/provider/copilot_chat.rs
index eb12c0056f871a4d9eb053c51455081572868aef..d48c12aa4b5de713c0130320f7c9e61a733dc33e 100644
--- a/crates/language_models/src/provider/copilot_chat.rs
+++ b/crates/language_models/src/provider/copilot_chat.rs
@@ -475,7 +475,6 @@ fn into_copilot_chat(
         }
     }
 
-    let mut tool_called = false;
     let mut messages: Vec<ChatMessage> = Vec::new();
     for message in request_messages {
         match message.role {
@@ -545,7 +544,6 @@ fn into_copilot_chat(
                 let mut tool_calls = Vec::new();
                 for content in &message.content {
                     if let MessageContent::ToolUse(tool_use) = content {
-                        tool_called = true;
                         tool_calls.push(ToolCall {
                             id: tool_use.id.to_string(),
                             content: copilot::copilot_chat::ToolCallContent::Function {
@@ -590,7 +588,7 @@ fn into_copilot_chat(
         }
     }
 
-    let mut tools = request
+    let tools = request
         .tools
         .iter()
         .map(|tool| Tool::Function {
@@ -602,22 +600,6 @@ fn into_copilot_chat(
         })
         .collect::<Vec<_>>();
 
-    // The API will return a Bad Request (with no error message) when tools
-    // were used previously in the conversation but no tools are provided as
-    // part of this request. Inserting a dummy tool seems to circumvent this
-    // error.
-    if tool_called && tools.is_empty() {
-        tools.push(Tool::Function {
-            function: copilot::copilot_chat::Function {
-                name: "noop".to_string(),
-                description: "No operation".to_string(),
-                parameters: serde_json::json!({
-                    "type": "object"
-                }),
-            },
-        });
-    }
-
     Ok(CopilotChatRequest {
         intent: true,
         n: 1,