diff --git a/router/src/lib.rs b/router/src/lib.rs
index 965f45d4a..40253d5df 100644
--- a/router/src/lib.rs
+++ b/router/src/lib.rs
@@ -610,40 +610,6 @@ impl From<Message> for TextMessage {
     }
 }
 
-#[derive(Clone, Debug, Deserialize, ToSchema)]
-struct FunctionSpec {
-    name: String,
-    description: String,
-    parameters: serde_json::Value,
-}
-
-impl FunctionSpec {
-    fn to_schema(&self) -> serde_json::Value {
-        json!({
-            "type": "object",
-            "properties": {
-                "id": {
-                    "type": "string",
-                },
-                "type": {
-                    "const": "function",
-                },
-                "function": {
-                    "type": "object",
-                    "properties": {
-                        "name": {
-                            "const": self.name,
-                        },
-                        "arguments": self.parameters,
-                    },
-                    "required": ["name", "arguments"],
-                },
-            },
-            "required": ["id", "type", "function"],
-        })
-    }
-}
-
 #[derive(Clone, Debug, Deserialize, ToSchema)]
 struct ChatCompletionRequest {
     model: String,
diff --git a/router/src/server.rs b/router/src/server.rs
index 3bbd7c043..758348fdf 100644
--- a/router/src/server.rs
+++ b/router/src/server.rs
@@ -408,7 +408,7 @@ async fn chat_completions_v1(
         }
 
         let mut choice_content = vec![];
-        for (i, gen) in generations.iter().enumerate() {
+        for (_, gen) in generations.iter().enumerate() {
             let (tool_calls, output) = if using_tools {
                 let gen_text_value: Value = serde_json::from_str(&gen).map_err(|e| {
                     InferError::ToolError(format!(
diff --git a/router/src/validation.rs b/router/src/validation.rs
index 1487d0898..76ec6d7ca 100644
--- a/router/src/validation.rs
+++ b/router/src/validation.rs
@@ -2,9 +2,7 @@ use crate::adapter::Adapter;
 use crate::batch::ValidGenerateRequest;
 use crate::config::Config;
 use crate::validation::ValidationError::{BestOfSampling, BestOfSeed, EmptyInput};
-use crate::{
-    GenerateParameters, GenerateRequest, HubPreprocessorConfig, Idefics2Preprocessor, Tool,
-};
+use crate::{GenerateParameters, GenerateRequest, HubPreprocessorConfig, Idefics2Preprocessor};
 use base64::{engine::general_purpose::STANDARD, Engine};
 use image::{ImageFormat, ImageReader};
 use lorax_client::{NextTokenChooserParameters, StoppingCriteriaParameters, TokenizedInputs};