diff --git a/src/hb-atomic.hh b/src/hb-atomic.hh
index 4c1587bfb..a6283de14 100644
--- a/src/hb-atomic.hh
+++ b/src/hb-atomic.hh
@@ -38,10 +38,6 @@
 
 /*
  * Atomic integers and pointers.
- *
- * hb_atomic_int_t and hb_atomic_ptr_t are typedefs to the actual
- * atomic type.  They are guaranteed to be at least 32 bits wide.
- * hb_atomic_int_t is signed.
  */