diff --git a/Cargo.toml b/Cargo.toml
index 83d39b1..108095d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,10 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+macro-debug = []
+default = []
+
 [dependencies]
 
-[workspace]
\ No newline at end of file
+[workspace]
diff --git a/src/lib.rs b/src/lib.rs
index 5b196bd..a7c6263 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
-#![feature(trace_macros)]
-#![feature(log_syntax)]
+#![cfg_attr(feature="macro-debug",feature(trace_macros))]
+#![cfg_attr(feature="macro-debug",feature(log_syntax))]
+#[cfg(feature="macro-debug")]
 trace_macros!{true}
 
 /*
@@ -314,4 +315,4 @@ fn no_label() {
     );
     assert_eq!(mcode, [ 0xA9, 0xFB, 0xA9, 0xAB ]);
 }
-*/
\ No newline at end of file
+*/