diff --git a/Misc/NEWS b/Misc/NEWS
index feab9c5..cb60239 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,6 +24,8 @@
 Core and Builtins
 -----------------
 
+- Issue #9058: Remove assertions about INT_MAX in UnicodeDecodeError.
+
 - Issue #8202: Previous change to ``sys.argv[0]`` handling for -m command line
   option reverted due to unintended side effects on handling of ``sys.path``.
   See tracker issue for details.
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 2e98283..711c87d 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -1784,9 +1784,6 @@
     const char *encoding, const char *object, Py_ssize_t length,
     Py_ssize_t start, Py_ssize_t end, const char *reason)
 {
-    assert(length < INT_MAX);
-    assert(start < INT_MAX);
-    assert(end < INT_MAX);
     return PyObject_CallFunction(PyExc_UnicodeDecodeError, "ss#nns",
                                  encoding, object, length, start, end, reason);
 }