diff --git a/crates/ruff_python_stdlib/src/sys.rs b/crates/ruff_python_stdlib/src/sys.rs
index 07743c2f4a69f..6c9e607a65c1c 100644
--- a/crates/ruff_python_stdlib/src/sys.rs
+++ b/crates/ruff_python_stdlib/src/sys.rs
@@ -245,7 +245,6 @@ pub fn is_known_standard_library(minor_version: u8, module: &str) -> bool {
                 | "socketserver"
                 | "spwd"
                 | "sqlite3"
-                | "sre"
                 | "sre_compile"
                 | "sre_constants"
                 | "sre_parse"
diff --git a/scripts/generate_known_standard_library.py b/scripts/generate_known_standard_library.py
index cbcc1546593fb..de17282607635 100644
--- a/scripts/generate_known_standard_library.py
+++ b/scripts/generate_known_standard_library.py
@@ -27,18 +27,10 @@
     modules_by_version = {}
 
     for major_version, minor_version in VERSIONS:
-        modules = {
-            "_ast",
-            "posixpath",
-            "ntpath",
-            "sre_constants",
-            "sre_parse",
-            "sre_compile",
-            "sre",
-        }
+        modules = set()
 
         for module in stdlib_module_names(f"{major_version}.{minor_version}"):
-            if module not in ["__future__", "__main__"]:
+            if module != "__future__":
                 modules.add(module)
 
         modules_by_version[minor_version] = modules