diff --git a/Makefile b/Makefile
index 952eab8..5959679 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ GOROOT_WASM := $(GOROOT)/lib/wasm/wasm_exec.js
 
 wasm:
 	mkdir -p $(WASM_DIR)
-	GOOS=js GOARCH=wasm go build -o $(WASM_OUT) ./cmd/wasm
+	GOOS=js GOARCH=wasm go build -ldflags="-s -w" -o $(WASM_OUT) ./cmd/wasm
 	@echo "Copying wasm_exec.js from $(GOROOT_WASM)"
 	cp "$(GOROOT_WASM)" "$(WASM_EXEC)"
 	@echo "Built $(WASM_OUT) and ensured $(WASM_EXEC)"
diff --git a/cmd/wasm/wasm.go b/cmd/wasm/wasm.go
index 0133cf9..1b6cbcb 100644
--- a/cmd/wasm/wasm.go
+++ b/cmd/wasm/wasm.go
@@ -15,12 +15,12 @@ func main() {
 }
 
 func wasmParseDemo(this js.Value, args []js.Value) interface{} {
-	fmt.Println("Herere")
 	filename := args[0].String()
-	fmt.Println("trying to parse a demo %s", &filename)
+	fmt.Printf("parsing demo %s\n", &filename)
 
 	callback := args[2]
 	demoData := make([]byte, args[1].Get("length").Int())
+
 	js.CopyBytesToGo(demoData, args[1])
 
 	err := parser.WasmParseDemo(filename, bytes.NewReader(demoData), func(payload []byte) {