diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs
index 5cd0a0eeb58c..bc771ca057f0 100644
--- a/src/tools/miri/src/diagnostics.rs
+++ b/src/tools/miri/src/diagnostics.rs
@@ -6,7 +6,7 @@ use log::trace;
 use rustc_span::{source_map::DUMMY_SP, SpanData, Symbol};
 use rustc_target::abi::{Align, Size};
 
-use crate::stacked_borrows::{diagnostics::TagHistory, AccessKind};
+use crate::borrow_tracker::{stacked_borrows::diagnostics::TagHistory, AccessKind};
 use crate::*;
 
 /// Details of premature program termination.
diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs
index 6c9c96eef623..7b4973f3b9da 100644
--- a/src/tools/miri/src/eval.rs
+++ b/src/tools/miri/src/eval.rs
@@ -9,6 +9,7 @@ use std::thread;
 
 use log::info;
 
+use crate::borrow_tracker::RetagFields;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir::def::Namespace;
 use rustc_hir::def_id::DefId;
diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs
index 6f483cf2cc48..2c427c166c16 100644
--- a/src/tools/miri/src/lib.rs
+++ b/src/tools/miri/src/lib.rs
@@ -53,6 +53,7 @@ extern crate rustc_session;
 extern crate rustc_span;
 extern crate rustc_target;
 
+mod borrow_tracker;
 mod clock;
 mod concurrency;
 mod diagnostics;
@@ -64,7 +65,6 @@ mod mono_hash_map;
 mod operator;
 mod range_map;
 mod shims;
-mod stacked_borrows;
 mod tag_gc;
 
 // Establish a "crate-wide prelude": we often import `crate::*`.
@@ -84,6 +84,12 @@ pub use crate::shims::time::EvalContextExt as _;
 pub use crate::shims::tls::TlsData;
 pub use crate::shims::EvalContextExt as _;
 
+pub use crate::borrow_tracker::stacked_borrows::{
+    EvalContextExt as _, Item, Permission, Stack, Stacks,
+};
+pub use crate::borrow_tracker::{
+    BorTag, BorrowTrackerMethod, CallId, EvalContextExt as _, RetagFields,
+};
 pub use crate::clock::{Clock, Instant};
 pub use crate::concurrency::{
     data_race::{AtomicFenceOrd, AtomicReadOrd, AtomicRwOrd, AtomicWriteOrd, EvalContextExt as _},
@@ -106,9 +112,6 @@ pub use crate::machine::{
 pub use crate::mono_hash_map::MonoHashMap;
 pub use crate::operator::EvalContextExt as _;
 pub use crate::range_map::RangeMap;
-pub use crate::stacked_borrows::{
-    CallId, EvalContextExt as _, Item, Permission, RetagFields, SbTag,
-};
 pub use crate::tag_gc::{EvalContextExt as _, VisitTags};
 
 /// Insert rustc arguments at the beginning of the argument list that Miri wants to be