diff --git a/build.rs b/build.rs
index 275ac07..aaa92b6 100644
--- a/build.rs
+++ b/build.rs
@@ -14,12 +14,6 @@
         return;
     }
 
-    // There are currently no musl builds of the compiler, so proc_macro is
-    // always missing, so disable this feature.
-    if target.contains("-musl") {
-        return;
-    }
-
     // Otherwise, only enable it if our feature is actually enabled.
     if cfg!(feature = "proc-macro") {
         println!("cargo:rustc-cfg=use_proc_macro");