diff --git a/src/core/meshcop/dataset_manager_ftd.cpp b/src/core/meshcop/dataset_manager_ftd.cpp
index e80c4a687..25da998d1 100644
--- a/src/core/meshcop/dataset_manager_ftd.cpp
+++ b/src/core/meshcop/dataset_manager_ftd.cpp
@@ -256,7 +256,7 @@ otError DatasetManager::HandleSet(Coap::Message &aMessage, const Ip6::MessageInf
         SuccessOrExit(
             Get<Mle::MleRouter>().GetCommissionerAloc(destination, localSessionId->GetCommissionerSessionId()));
 
-        IgnoreError(Get<Leader>().SendDatasetChanged(destination));
+        Get<Leader>().SendDatasetChanged(destination);
     }
 
 exit:
diff --git a/src/core/meshcop/meshcop_leader.cpp b/src/core/meshcop/meshcop_leader.cpp
index 7d5c734df..629acc392 100644
--- a/src/core/meshcop/meshcop_leader.cpp
+++ b/src/core/meshcop/meshcop_leader.cpp
@@ -117,12 +117,12 @@ void Leader::HandlePetition(Coap::Message &aMessage, const Ip6::MessageInfo &aMe
     mTimer.Start(Time::SecToMsec(kTimeoutLeaderPetition));
 
 exit:
-    IgnoreError(SendPetitionResponse(aMessage, aMessageInfo, state));
+    SendPetitionResponse(aMessage, aMessageInfo, state);
 }
 
-otError Leader::SendPetitionResponse(const Coap::Message &   aRequest,
-                                     const Ip6::MessageInfo &aMessageInfo,
-                                     StateTlv::State         aState)
+void Leader::SendPetitionResponse(const Coap::Message &   aRequest,
+                                  const Ip6::MessageInfo &aMessageInfo,
+                                  StateTlv::State         aState)
 {
     otError        error = OT_ERROR_NONE;
     Coap::Message *message;
@@ -150,12 +150,15 @@ otError Leader::SendPetitionResponse(const Coap::Message &   aRequest,
 
 exit:
 
-    if (error != OT_ERROR_NONE && message != NULL)
+    if (error != OT_ERROR_NONE)
     {
-        message->Free();
-    }
+        otLogInfoMeshCoP("Failed to send petition response: %s", otThreadErrorToString(error));
 
-    return error;
+        if (message != NULL)
+        {
+            message->Free();
+        }
+    }
 }
 
 void Leader::HandleKeepAlive(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo)
@@ -203,15 +206,15 @@ void Leader::HandleKeepAlive(Coap::Message &aMessage, const Ip6::MessageInfo &aM
         mTimer.Start(Time::SecToMsec(kTimeoutLeaderPetition));
     }
 
-    IgnoreError(SendKeepAliveResponse(aMessage, aMessageInfo, responseState));
+    SendKeepAliveResponse(aMessage, aMessageInfo, responseState);
 
 exit:
     return;
 }
 
-otError Leader::SendKeepAliveResponse(const Coap::Message &   aRequest,
-                                      const Ip6::MessageInfo &aMessageInfo,
-                                      StateTlv::State         aState)
+void Leader::SendKeepAliveResponse(const Coap::Message &   aRequest,
+                                   const Ip6::MessageInfo &aMessageInfo,
+                                   StateTlv::State         aState)
 {
     otError        error = OT_ERROR_NONE;
     Coap::Message *message;
@@ -229,15 +232,18 @@ otError Leader::SendKeepAliveResponse(const Coap::Message &   aRequest,
 
 exit:
 
-    if (error != OT_ERROR_NONE && message != NULL)
+    if (error != OT_ERROR_NONE)
     {
-        message->Free();
-    }
+        otLogWarnMeshCoP("Failed to send keep alive response: %s", otThreadErrorToString(error));
 
-    return error;
+        if (message != NULL)
+        {
+            message->Free();
+        }
+    }
 }
 
-otError Leader::SendDatasetChanged(const Ip6::Address &aAddress)
+void Leader::SendDatasetChanged(const Ip6::Address &aAddress)
 {
     otError          error = OT_ERROR_NONE;
     Ip6::MessageInfo messageInfo;
@@ -256,12 +262,15 @@ otError Leader::SendDatasetChanged(const Ip6::Address &aAddress)
 
 exit:
 
-    if (error != OT_ERROR_NONE && message != NULL)
+    if (error != OT_ERROR_NONE)
     {
-        message->Free();
-    }
+        otLogWarnMeshCoP("Failed to send dataset changed: %s", otThreadErrorToString(error));
 
-    return error;
+        if (message != NULL)
+        {
+            message->Free();
+        }
+    }
 }
 
 otError Leader::SetDelayTimerMinimal(uint32_t aDelayTimerMinimal)
diff --git a/src/core/meshcop/meshcop_leader.hpp b/src/core/meshcop/meshcop_leader.hpp
index dfadf7e82..25b8c02ef 100644
--- a/src/core/meshcop/meshcop_leader.hpp
+++ b/src/core/meshcop/meshcop_leader.hpp
@@ -77,11 +77,8 @@ public:
      *
      * @param[in]  aAddress   The IPv6 address of destination.
      *
-     * @retval OT_ERROR_NONE     Successfully send MGMT_DATASET_CHANGED message.
-     * @retval OT_ERROR_NO_BUFS  Insufficient buffers to generate a MGMT_DATASET_CHANGED message.
-     *
      */
-    otError SendDatasetChanged(const Ip6::Address &aAddress);
+    void SendDatasetChanged(const Ip6::Address &aAddress);
 
     /**
      * This method sets minimal delay timer.
@@ -119,13 +116,13 @@ private:
 
     static void HandlePetition(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo);
     void        HandlePetition(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
-    otError     SendPetitionResponse(const Coap::Message &   aRequest,
+    void        SendPetitionResponse(const Coap::Message &   aRequest,
                                      const Ip6::MessageInfo &aMessageInfo,
                                      StateTlv::State         aState);
 
     static void HandleKeepAlive(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo);
     void        HandleKeepAlive(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
-    otError     SendKeepAliveResponse(const Coap::Message &   aRequest,
+    void        SendKeepAliveResponse(const Coap::Message &   aRequest,
                                       const Ip6::MessageInfo &aMessageInfo,
                                       StateTlv::State         aState);