diff --git a/sys/dev/dc/if_dc.c b/sys/dev/dc/if_dc.c
index 5219671889e..1f2923b29d9 100644
--- a/sys/dev/dc/if_dc.c
+++ b/sys/dev/dc/if_dc.c
@@ -2338,6 +2338,7 @@ dc_detach(dev)
 		free(sc->dc_mi, M_DEVBUF);
 		sc->dc_mi = m;
 	}
+	free(sc->dc_srom, M_DEVBUF);
 
 	DC_UNLOCK(sc);
 	mtx_destroy(&sc->dc_mtx);
diff --git a/sys/pci/if_dc.c b/sys/pci/if_dc.c
index 5219671889e..1f2923b29d9 100644
--- a/sys/pci/if_dc.c
+++ b/sys/pci/if_dc.c
@@ -2338,6 +2338,7 @@ dc_detach(dev)
 		free(sc->dc_mi, M_DEVBUF);
 		sc->dc_mi = m;
 	}
+	free(sc->dc_srom, M_DEVBUF);
 
 	DC_UNLOCK(sc);
 	mtx_destroy(&sc->dc_mtx);