diff --git a/shared/nm-glib-aux/nm-shared-utils.c b/shared/nm-glib-aux/nm-shared-utils.c
index 5bab4bd2f2..5f5f41ae2e 100644
--- a/shared/nm-glib-aux/nm-shared-utils.c
+++ b/shared/nm-glib-aux/nm-shared-utils.c
@@ -5136,6 +5136,31 @@ nm_utils_g_main_context_create_integrate_source(GMainContext *inner_context)
     return &ctx_src->source;
 }
 
+/*****************************************************************************/
+
+void
+nm_utils_ifname_cpy(char *dst, const char *name)
+{
+    int i;
+
+    g_return_if_fail(dst);
+    g_return_if_fail(name && name[0]);
+
+    nm_assert(nm_utils_ifname_valid_kernel(name, NULL));
+
+    /* ensures NUL padding of the entire IFNAMSIZ buffer. */
+
+    for (i = 0; i < (int) IFNAMSIZ && name[i] != '\0'; i++)
+        dst[i] = name[i];
+
+    nm_assert(name[i] == '\0');
+
+    for (; i < (int) IFNAMSIZ; i++)
+        dst[i] = '\0';
+}
+
+/*****************************************************************************/
+
 gboolean
 nm_utils_ifname_valid_kernel(const char *name, GError **error)
 {
diff --git a/shared/nm-glib-aux/nm-shared-utils.h b/shared/nm-glib-aux/nm-shared-utils.h
index abcb20abaf..a78682f6a1 100644
--- a/shared/nm-glib-aux/nm-shared-utils.h
+++ b/shared/nm-glib-aux/nm-shared-utils.h
@@ -2279,6 +2279,8 @@ void nm_indirect_g_free(gpointer arg);
 
 /*****************************************************************************/
 
+void nm_utils_ifname_cpy(char *dst, const char *name);
+
 typedef enum {
     NMU_IFACE_ANY,
     NMU_IFACE_KERNEL,
diff --git a/src/nm-core-utils.c b/src/nm-core-utils.c
index 7b62968fb5..660f6f4317 100644
--- a/src/nm-core-utils.c
+++ b/src/nm-core-utils.c
@@ -4269,29 +4269,6 @@ nm_utils_g_value_set_strv(GValue *value, GPtrArray *strings)
 
 /*****************************************************************************/
 
-void
-nm_utils_ifname_cpy(char *dst, const char *name)
-{
-    int i;
-
-    g_return_if_fail(dst);
-    g_return_if_fail(name && name[0]);
-
-    nm_assert(nm_utils_ifname_valid_kernel(name, NULL));
-
-    /* ensures NUL padding of the entire IFNAMSIZ buffer. */
-
-    for (i = 0; i < (int) IFNAMSIZ && name[i] != '\0'; i++)
-        dst[i] = name[i];
-
-    nm_assert(name[i] == '\0');
-
-    for (; i < (int) IFNAMSIZ; i++)
-        dst[i] = '\0';
-}
-
-/*****************************************************************************/
-
 /**
  * Takes a pair @timestamp and @duration, and returns the remaining duration based
  * on the new timestamp @now.
diff --git a/src/nm-core-utils.h b/src/nm-core-utils.h
index c90daaa683..f4fe5f673c 100644
--- a/src/nm-core-utils.h
+++ b/src/nm-core-utils.h
@@ -501,8 +501,6 @@ void             _nm_utils_set_testing(NMUtilsTestFlags flags);
 
 void nm_utils_g_value_set_strv(GValue *value, GPtrArray *strings);
 
-void nm_utils_ifname_cpy(char *dst, const char *name);
-
 guint32
 nm_utils_lifetime_rebase_relative_time_on_now(guint32 timestamp, guint32 duration, gint32 now);