diff --git a/mesh/node.c b/mesh/node.c
index 6fe7074..d4be070 100644
--- a/mesh/node.c
+++ b/mesh/node.c
@@ -628,11 +628,6 @@ uint16_t node_get_primary(struct mesh_node *node)
 		return node->primary;
 }
 
-void node_set_device_key(struct mesh_node *node, uint8_t key[16])
-{
-	memcpy(node->dev_key, key, 16);
-}
-
 const uint8_t *node_get_device_key(struct mesh_node *node)
 {
 	if (!node)
diff --git a/mesh/node.h b/mesh/node.h
index a6bc4a2..38aea13 100644
--- a/mesh/node.h
+++ b/mesh/node.h
@@ -46,7 +46,6 @@ uint16_t node_get_primary(struct mesh_node *node);
 uint16_t node_get_primary_net_idx(struct mesh_node *node);
 void node_set_token(struct mesh_node *node, uint8_t token[8]);
 const uint8_t *node_get_token(struct mesh_node *node);
-void node_set_device_key(struct mesh_node *node, uint8_t key[16]);
 const uint8_t *node_get_device_key(struct mesh_node *node);
 void node_set_num_elements(struct mesh_node *node, uint8_t num_ele);
 uint8_t node_get_num_elements(struct mesh_node *node);