diff --git a/devicemodel/hw/pci/core.c b/devicemodel/hw/pci/core.c
index 1b7a7606b..6cd30553a 100644
--- a/devicemodel/hw/pci/core.c
+++ b/devicemodel/hw/pci/core.c
@@ -1272,6 +1272,9 @@ deinit_pci(struct vmctx *ctx)
 				    func, fi);
 			}
 		}
+
+		pci_businfo[bus] = NULL;
+		free(bi);
 	}
 }