diff --git a/kitty/child-monitor.c b/kitty/child-monitor.c
index bbdfe1b73..2824679f3 100644
--- a/kitty/child-monitor.c
+++ b/kitty/child-monitor.c
@@ -1657,6 +1657,20 @@ add_peer(int peer, bool is_remote_control_peer) {
     return ans;
 }
 
+static bool
+getpeerid(int fd, uid_t *euid, gid_t *egid) {
+#ifdef __linux__
+    struct ucred cr;
+    socklen_t sz = sizeof(cr);
+    if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &sz) != 0) return false;
+    *euid = cr.uid; *egid = cr.gid;
+#else
+    if (getpeereid(fd, euid, egid) != 0) return false;
+#endif
+    return true;
+}
+
+
 static bool
 accept_peer(int listen_fd, bool shutting_down, bool is_remote_control_peer) {
     int peer = accept(listen_fd, NULL, NULL);
diff --git a/kitty/data-types.c b/kitty/data-types.c
index d61f2c3aa..65bf57ce3 100644
--- a/kitty/data-types.c
+++ b/kitty/data-types.c
@@ -360,29 +360,6 @@ locale_is_valid(PyObject *self UNUSED, PyObject *args) {
     Py_RETURN_TRUE;
 }
 
-bool
-getpeerid(int fd, uid_t *euid, gid_t *egid) {
-#ifdef __linux__
-    struct ucred cr;
-    socklen_t sz = sizeof(cr);
-    if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &sz) != 0) return false;
-    *euid = cr.uid; *egid = cr.gid;
-#else
-    if (getpeereid(fd, euid, egid) != 0) return false;
-#endif
-    return true;
-}
-
-static PyObject*
-py_getpeereid(PyObject *self UNUSED, PyObject *args) {
-    int fd;
-    if (!PyArg_ParseTuple(args, "i", &fd)) return NULL;
-    uid_t euid = 0; gid_t egid = 0;
-    if (!getpeerid(fd, &euid, &egid)) { PyErr_SetFromErrno(PyExc_OSError); return NULL; }
-    int u = euid, g = egid;
-    return Py_BuildValue("ii", u, g);
-}
-
 #include "docs_ref_map_generated.h"
 
 static PyObject*
@@ -575,7 +552,6 @@ static PyMethodDef module_methods[] = {
     {"wcwidth", (PyCFunction)wcwidth_wrap, METH_O, ""},
     {"expand_ansi_c_escapes", (PyCFunction)expand_ansi_c_escapes, METH_O, ""},
     {"get_docs_ref_map", (PyCFunction)get_docs_ref_map, METH_NOARGS, ""},
-    {"getpeereid", (PyCFunction)py_getpeereid, METH_VARARGS, ""},
     {"wcswidth", (PyCFunction)wcswidth_std, METH_O, ""},
     {"unicode_database_version", (PyCFunction)unicode_database_version, METH_NOARGS, ""},
     {"open_tty", open_tty, METH_VARARGS, ""},
diff --git a/kitty/data-types.h b/kitty/data-types.h
index 825a23841..a2db1f318 100644
--- a/kitty/data-types.h
+++ b/kitty/data-types.h
@@ -423,7 +423,6 @@ void play_canberra_sound(const char *which_sound, const char *event_id, bool is_
 SPRITE_MAP_HANDLE alloc_sprite_map(unsigned int, unsigned int);
 SPRITE_MAP_HANDLE free_sprite_map(SPRITE_MAP_HANDLE);
 const char* get_hyperlink_for_id(const HYPERLINK_POOL_HANDLE, hyperlink_id_type id, bool only_url);
-bool getpeerid(int fd, uid_t *euid, gid_t *egid);
 
 #define memset_array(array, val, count) if ((count) > 0) { \
     (array)[0] = (val); \
diff --git a/kitty/fast_data_types.pyi b/kitty/fast_data_types.pyi
index dedbfc5dd..bfd5c7e19 100644
--- a/kitty/fast_data_types.pyi
+++ b/kitty/fast_data_types.pyi
@@ -1590,10 +1590,6 @@ def remove_signal_handlers() -> None:
     pass
 
 
-def getpeereid(fd: int) -> Tuple[int, int]:
-    pass
-
-
 X25519: int
 SHA1_HASH: int
 SHA224_HASH: int