diff --git a/yang/frr-route-types.yang b/yang/frr-route-types.yang
index 5e2ed96417..1a380333cf 100644
--- a/yang/frr-route-types.yang
+++ b/yang/frr-route-types.yang
@@ -109,119 +109,9 @@ module frr-route-types {
 
   typedef frr-route-types {
     description "Route types as enumerated in `lib/route_types.txt`";
-    type enumeration {
-      enum kernel {
-        description
-          "Routes installed by the kernel or the user of the operating system";
-        value 1;
-      }
-      enum connected {
-        description
-          "Routes installed by interface address (directly attached subnet or host)";
-        value 2;
-      }
-      enum static {
-        description "Static routes configured by FRR";
-        value 3;
-      }
-      enum rip {
-        description "Routes installed by Routing Information Protocol (RIP)";
-        value 4;
-      }
-      enum ripng {
-        description
-          "Routes installed by Routing Information Protocol next-generation (RIPng)";
-        value 5;
-      }
-      enum ospf {
-        description "Routes installed by Open Shortest Path First (OSPFv2)";
-        value 6;
-      }
-      enum ospf6 {
-        description
-          "Routes installed by Open Shortest Path First (IPv6) (OSPFv3)";
-        value 7;
-      }
-      enum isis {
-        description
-          "Routes installed by Intermediate System to Intermediate System (IS-IS)";
-        value 8;
-      }
-      enum bgp {
-        description "Routes installed by Border Gateway Protocol (BGP)";
-        value 9;
-      }
-      enum pim {
-        description
-          "Routes installed by Protocol Independent Multicast (PIM)";
-        value 10;
-      }
-      enum eigrp {
-        description
-          "Routes installed by Enhanced Interior Gateway Routing Protocol (EIGRP)";
-        value 11;
-      }
-      enum nhrp {
-        description "Routes installed by Next Hop Resolution Protocol (NHRP)";
-        value 12;
-      }
-      enum hsls {
-        description "Routes installed by Hazy-Sighted Link State Protocol (HSLS)";
-        value 13;
-      }
-      enum olsr {
-        description "Routes installed by Optimised Link State Routing (OLSR)";
-        value 14;
-      }
-      enum table {
-        description "Routes installed by non-main kernel routing table";
-        value 15;
-      }
-      enum ldp {
-        description
-          "Routes installed by Label Distribution Protocol (LDP)";
-        value 16;
-      }
-      enum vnc {
-        description
-          "Routes installed by Virtual Network Control (VNC)";
-        value 17;
-      }
-      enum vnc-direct {
-        description "Routes installed by VNC directly (non-frr)";
-        value 18;
-      }
-      enum vnc-direct-rh {
-        description "Routes installed by VNC via BGP (resolve NVE mode)";
-        value 19;
-      }
-      enum bgp-direct {
-        description "Routes installed by BGP to VNC.";
-        value 20;
-      }
-      enum bgp-direct-ext {
-        description "Routes installed by BGP to VNC VNE groups";
-        value 21;
-      }
-      enum babel {
-        description "Routes installed by babel protocol";
-        value 22;
-      }
-      enum sharp {
-        description
-          "Routes installed by Super Happy Advanced Routing Protocol (SHARP)";
-        value 23;
-      }
-      enum pbr {
-        description
-          "Routes installed by Policy Based Routing (PBR)";
-        value 24;
-      }
-      enum openfabric {
-        description
-          "Routes installed by OpenFabric Routing Protocol";
-        value 26;
-      }
+    type union {
+      type frr-route-types-v4;
+      type frr-route-types-v6;
     }
   }
 }