diff --git a/openair2/PHY_INTERFACE/phy_stub_UE.c b/openair2/PHY_INTERFACE/phy_stub_UE.c
index f12e205085..21cd68daf5 100644
--- a/openair2/PHY_INTERFACE/phy_stub_UE.c
+++ b/openair2/PHY_INTERFACE/phy_stub_UE.c
@@ -1949,7 +1949,6 @@ char *nfapi_ul_config_req_to_string(nfapi_ul_config_request_t *req)
       abort();
     }
 
-    int pdu_size = sf_rnti_mcs[sf].pdu_size;
     CHECK_INDEX(sf_rnti_mcs[sf].rnti, pdu_size);
     CHECK_INDEX(sf_rnti_mcs[sf].drop_flag, pdu_size);
     for (int n = 0; n < pdu_size; n++)