diff --git a/packages/lmdb/lmdb.1.0/opam b/packages/lmdb/lmdb.1.0/opam
index 127a9f79c90..bcf0bbd80ce 100644
--- a/packages/lmdb/lmdb.1.0/opam
+++ b/packages/lmdb/lmdb.1.0/opam
@@ -34,10 +34,7 @@ depexts: [
   ["lmdb"] {os-family = "archlinux"}
   ["lmdb"] {os-family = "gentoo"}
   ["lmdb-dev"] {os-family = "alpine"}
-  ["lmdb-devel"] {os-family = "rhel"}
-  ["lmdb-devel"] {os-family = "centos"}
   ["lmdb-devel"] {os-family = "fedora"}
   ["lmdb-devel"] {os-family = "suse"}
-  ["lmdb-devel"] {os-family = "opensuse"}
   ["liblmdb-devel"] {os-family = "mageia"}
 ]