diff --git a/compiler/gen_wasm/src/lib.rs b/compiler/gen_wasm/src/lib.rs
index d1f71b9619..4f832d452c 100644
--- a/compiler/gen_wasm/src/lib.rs
+++ b/compiler/gen_wasm/src/lib.rs
@@ -96,7 +96,8 @@ pub fn build_module_help<'a>(
     let initial_module = WasmModule::preload(env.arena, preload_bytes);
 
     // Adjust Wasm function indices to account for functions from the object file
-    let fn_index_offset: u32 = initial_module.import.function_count + initial_module.code.preloaded_count;
+    let fn_index_offset: u32 =
+        initial_module.import.function_count + initial_module.code.preloaded_count;
 
     // Get a map of name to index for the preloaded functions
     // Assumes the preloaded object file has all symbols exported, as per `zig build-lib -dymamic`
diff --git a/compiler/gen_wasm/src/wasm_module/dead_code.rs b/compiler/gen_wasm/src/wasm_module/dead_code.rs
index 7d46ae95c5..49d2f0d6d8 100644
--- a/compiler/gen_wasm/src/wasm_module/dead_code.rs
+++ b/compiler/gen_wasm/src/wasm_module/dead_code.rs
@@ -140,6 +140,9 @@ pub fn trace_function_deps<'a, Indices: IntoIterator<Item = u32>>(
         if next_trace.is_empty() {
             break;
         }
+        next_trace.sort_unstable();
+        next_trace.dedup();
+
         current_trace.clone_from(&next_trace);
         next_trace.clear();
     }