diff --git a/compiler/rustc_mir_dataflow/src/impls/mod.rs b/compiler/rustc_mir_dataflow/src/impls/mod.rs
index b9e194b00c5..d69a8019c8d 100644
--- a/compiler/rustc_mir_dataflow/src/impls/mod.rs
+++ b/compiler/rustc_mir_dataflow/src/impls/mod.rs
@@ -1,7 +1,3 @@
-//! Dataflow analyses are built upon some interpretation of the
-//! bitvectors attached to each basic block, represented via a
-//! zero-sized structure.
-
 mod borrowed_locals;
 mod initialized;
 mod liveness;