diff --git a/src/core/thread/mesh_forwarder_ftd.cpp b/src/core/thread/mesh_forwarder_ftd.cpp
index 1d3143264..2600b77fc 100644
--- a/src/core/thread/mesh_forwarder_ftd.cpp
+++ b/src/core/thread/mesh_forwarder_ftd.cpp
@@ -395,8 +395,6 @@ otError MeshForwarder::UpdateIp6RouteFtd(Ip6::Header &ip6Header)
         {
             SuccessOrExit(error = MeshCoP::GetBorderAgentRloc(Get<ThreadNetif>(), mMeshDest));
         }
-
-#if OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
         else if (aloc16 <= Mle::kAloc16DhcpAgentEnd)
         {
             uint16_t agentRloc16;
@@ -418,8 +416,6 @@ otError MeshForwarder::UpdateIp6RouteFtd(Ip6::Header &ip6Header)
                 mMeshDest = Mle::Mle::GetRloc16(routerId);
             }
         }
-
-#endif // OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
 #if OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE
         else if ((aloc16 >= Mle::kAloc16ServiceStart) && (aloc16 <= Mle::kAloc16ServiceEnd))
         {
diff --git a/src/core/thread/network_data_leader.cpp b/src/core/thread/network_data_leader.cpp
index 2514752f2..a1bc6670c 100644
--- a/src/core/thread/network_data_leader.cpp
+++ b/src/core/thread/network_data_leader.cpp
@@ -163,7 +163,6 @@ exit:
     return error;
 }
 
-#if OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
 otError LeaderBase::GetRlocByContextId(uint8_t aContextId, uint16_t &aRloc16)
 {
     otError         error = OT_ERROR_NOT_FOUND;
@@ -188,7 +187,6 @@ otError LeaderBase::GetRlocByContextId(uint8_t aContextId, uint16_t &aRloc16)
 exit:
     return error;
 }
-#endif // OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
 
 bool LeaderBase::IsOnMesh(const Ip6::Address &aAddress)
 {
diff --git a/src/core/thread/network_data_leader.hpp b/src/core/thread/network_data_leader.hpp
index 61399f34a..2d0b99abf 100644
--- a/src/core/thread/network_data_leader.hpp
+++ b/src/core/thread/network_data_leader.hpp
@@ -217,7 +217,6 @@ public:
      */
     otError SetCommissioningData(const uint8_t *aValue, uint8_t aValueLength);
 
-#if OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
     /**
      * This method gets the Rloc of Dhcp Agent of specified contextId.
      *
@@ -229,7 +228,6 @@ public:
      *
      */
     otError GetRlocByContextId(uint8_t aContextId, uint16_t &aRloc16);
-#endif // OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE || OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
 
 protected:
     uint8_t mStableVersion;