diff --git a/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcService.java b/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcService.java
index 65ca6b4ea6..c56fcd4ed9 100644
--- a/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcService.java
+++ b/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcService.java
@@ -15,7 +15,6 @@
  */
 package org.thingsboard.server.service.edge.rpc;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import io.grpc.Server;
@@ -71,7 +70,6 @@ public class EdgeGrpcService extends EdgeRpcServiceGrpc.EdgeRpcServiceImplBase i
     private final ConcurrentMap<EdgeId, Lock> sessionNewEventsLocks = new ConcurrentHashMap<>();
     private final Map<EdgeId, Boolean> sessionNewEvents = new HashMap<>();
     private final ConcurrentMap<EdgeId, ScheduledFuture<?>> sessionEdgeEventChecks = new ConcurrentHashMap<>();
-    private static final ObjectMapper mapper = new ObjectMapper();
 
     @Value("${edges.rpc.port}")
     private int rpcPort;
@@ -159,7 +157,7 @@ public class EdgeGrpcService extends EdgeRpcServiceGrpc.EdgeRpcServiceImplBase i
 
     @Override
     public StreamObserver<RequestMsg> handleMsgs(StreamObserver<ResponseMsg> outputStream) {
-        return new EdgeGrpcSession(ctx, outputStream, this::onEdgeConnect, this::onEdgeDisconnect, mapper, sendDownlinkExecutorService).getInputStream();
+        return new EdgeGrpcSession(ctx, outputStream, this::onEdgeConnect, this::onEdgeDisconnect, sendDownlinkExecutorService).getInputStream();
     }
 
     @Override
diff --git a/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java b/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java
index e4f32f6a89..2ce1b73520 100644
--- a/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java
+++ b/application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java
@@ -16,7 +16,6 @@
 package org.thingsboard.server.service.edge.rpc;
 
 import com.datastax.oss.driver.api.core.uuid.Uuids;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
@@ -96,7 +95,6 @@ public final class EdgeGrpcSession implements Closeable {
     private final UUID sessionId;
     private final BiConsumer<EdgeId, EdgeGrpcSession> sessionOpenListener;
     private final Consumer<EdgeId> sessionCloseListener;
-    private final ObjectMapper mapper;
 
     private final EdgeSessionState sessionState = new EdgeSessionState();
 
@@ -112,13 +110,12 @@ public final class EdgeGrpcSession implements Closeable {
     private ScheduledExecutorService sendDownlinkExecutorService;
 
     EdgeGrpcSession(EdgeContextComponent ctx, StreamObserver<ResponseMsg> outputStream, BiConsumer<EdgeId, EdgeGrpcSession> sessionOpenListener,
-                    Consumer<EdgeId> sessionCloseListener, ObjectMapper mapper, ScheduledExecutorService sendDownlinkExecutorService) {
+                    Consumer<EdgeId> sessionCloseListener, ScheduledExecutorService sendDownlinkExecutorService) {
         this.sessionId = UUID.randomUUID();
         this.ctx = ctx;
         this.outputStream = outputStream;
         this.sessionOpenListener = sessionOpenListener;
         this.sessionCloseListener = sessionCloseListener;
-        this.mapper = mapper;
         this.sendDownlinkExecutorService = sendDownlinkExecutorService;
         initInputStream();
     }