1 files changed, 2 insertions, 2 deletions
diff --git a/lib/assert.js b/lib/assert.js
index c73e750e33..b7d7a3da01 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -66,7 +66,7 @@ const { inspect } = require('internal/util/inspect');
 const { isPromise, isRegExp } = require('internal/util/types');
 const { EOL } = require('internal/constants');
 const { BuiltinModule } = require('internal/bootstrap/realm');
-const { isError } = require('internal/util');
+const { isError, deprecate } = require('internal/util');
 
 const errorCache = new SafeMap();
 const CallTracker = require('internal/assert/calltracker');
@@ -1049,7 +1049,7 @@ assert.doesNotMatch = function doesNotMatch(string, regexp, message) {
   internalMatch(string, regexp, message, doesNotMatch);
 };
 
-assert.CallTracker = CallTracker;
+assert.CallTracker = deprecate(CallTracker, 'assert.CallTracker is deprecated.', 'DEP0173');
 
 /**
  * Expose a strict only variant of assert.