diff --git a/lib/llvm-backend/src/code.rs b/lib/llvm-backend/src/code.rs
index 028207a8c..932ebfc1c 100644
--- a/lib/llvm-backend/src/code.rs
+++ b/lib/llvm-backend/src/code.rs
@@ -2473,7 +2473,10 @@ impl ModuleCodeGenerator<LLVMFunctionCodeGenerator, LLVMBackend, CodegenError>
         Ok(())
     }
 
-    fn next_function(&mut self) -> Result<&mut LLVMFunctionCodeGenerator, CodegenError> {
+    fn next_function(
+        &mut self,
+        _module_info: &ModuleInfo,
+    ) -> Result<&mut LLVMFunctionCodeGenerator, CodegenError> {
         // Creates a new function and returns the function-scope code generator for it.
         let (context, builder, intrinsics) = match self.functions.last_mut() {
             Some(x) => (
diff --git a/lib/singlepass-backend/src/codegen_x64.rs b/lib/singlepass-backend/src/codegen_x64.rs
index 9aa6c9151..9cb163372 100644
--- a/lib/singlepass-backend/src/codegen_x64.rs
+++ b/lib/singlepass-backend/src/codegen_x64.rs
@@ -300,7 +300,10 @@ impl ModuleCodeGenerator<X64FunctionCode, X64ExecutionContext, CodegenError>
         Ok(())
     }
 
-    fn next_function(&mut self) -> Result<&mut X64FunctionCode, CodegenError> {
+    fn next_function(
+        &mut self,
+        _module_info: &ModuleInfo,
+    ) -> Result<&mut X64FunctionCode, CodegenError> {
         let (mut assembler, mut function_labels, br_table_data, breakpoints) =
             match self.functions.last_mut() {
                 Some(x) => (