diff --git a/subsys/net/lib/lwm2m/lwm2m_engine.c b/subsys/net/lib/lwm2m/lwm2m_engine.c
index 2266b111a77..0d742faf353 100644
--- a/subsys/net/lib/lwm2m/lwm2m_engine.c
+++ b/subsys/net/lib/lwm2m/lwm2m_engine.c
@@ -1372,7 +1372,6 @@ static int lwm2m_engine_get(char *pathstr, void *buf, u16_t buflen)
 	struct lwm2m_engine_obj_inst *obj_inst;
 	struct lwm2m_engine_obj_field *obj_field;
 	struct lwm2m_engine_res_inst *res = NULL;
-	u16_t len = 0;
 	void *data_ptr = NULL;
 	size_t data_len = 0;
 
@@ -1440,7 +1439,6 @@ static int lwm2m_engine_get(char *pathstr, void *buf, u16_t buflen)
 
 		case LWM2M_RES_TYPE_STRING:
 			strncpy((u8_t *)buf, (u8_t *)data_ptr, buflen);
-			len = strlen(buf);
 			break;
 
 		case LWM2M_RES_TYPE_U64: