diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttDeviceProfileTransportConfiguration.java b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttDeviceProfileTransportConfiguration.java
index 8699a793ed..3395e398e8 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttDeviceProfileTransportConfiguration.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttDeviceProfileTransportConfiguration.java
@@ -19,18 +19,11 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
-import com.squareup.wire.schema.Location;
-import com.squareup.wire.schema.internal.parser.MessageElement;
-import com.squareup.wire.schema.internal.parser.ProtoFileElement;
-import com.squareup.wire.schema.internal.parser.ProtoParser;
-import com.squareup.wire.schema.internal.parser.TypeElement;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.server.common.data.TransportPayloadType;
 import org.thingsboard.server.common.data.DeviceTransportType;
-import org.springframework.util.CollectionUtils;
 
-import java.util.List;
 
 @Slf4j
 @Data
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttProtoDeviceProfileTransportConfiguration.java b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttProtoDeviceProfileTransportConfiguration.java
index f4185bd2e2..c3c9fe263a 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttProtoDeviceProfileTransportConfiguration.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttProtoDeviceProfileTransportConfiguration.java
@@ -15,7 +15,6 @@
  */
 package org.thingsboard.server.common.data.device.profile;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.github.os72.protobuf.dynamic.DynamicSchema;
@@ -40,7 +39,6 @@ import org.thingsboard.server.common.data.DeviceTransportType;
 import org.thingsboard.server.common.data.TransportPayloadType;
 
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -56,12 +54,6 @@ public class MqttProtoDeviceProfileTransportConfiguration extends MqttDeviceProf
     private String deviceTelemetryProtoSchema;
     private String deviceAttributesProtoSchema;
 
-    @JsonIgnore
-    private Descriptors.Descriptor telemetryMsgDescriptor;
-
-    @JsonIgnore
-    private Descriptors.Descriptor attributesMsgDescriptor;
-
     @Override
     public DeviceTransportType getType() {
         return super.getType();
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttTransportConfigurationDeserializer.java b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttTransportConfigurationDeserializer.java
index 0089420ed2..15f52f603e 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttTransportConfigurationDeserializer.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/device/profile/MqttTransportConfigurationDeserializer.java
@@ -18,10 +18,10 @@ package org.thingsboard.server.common.data.device.profile;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.server.common.data.TransportPayloadType;
 
 import java.io.IOException;
 
@@ -36,7 +36,8 @@ public class MqttTransportConfigurationDeserializer extends StdDeserializer<Mqtt
     public MqttDeviceProfileTransportConfiguration deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
         try {
             JsonNode jsonNode = jsonParser.readValueAsTree();
-            if (jsonNode.has("deviceTelemetryProtoSchema") || jsonNode.has("deviceAttributesProtoSchema")) {
+
+            if (jsonNode.hasNonNull("transportPayloadType") && jsonNode.get("transportPayloadType").asText().equals(TransportPayloadType.PROTOBUF.name())) {
                 return jsonParser.getCodec().treeToValue(jsonNode, MqttProtoDeviceProfileTransportConfiguration.class);
             } else {
                 return jsonParser.getCodec().treeToValue(jsonNode, MqttJsonDeviceProfileTransportConfiguration.class);
diff --git a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/ProtoMqttAdaptor.java b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/ProtoMqttAdaptor.java
index 15dff19532..abdfb0423e 100644
--- a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/ProtoMqttAdaptor.java
+++ b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/ProtoMqttAdaptor.java
@@ -52,11 +52,9 @@ public class ProtoMqttAdaptor implements MqttTransportAdaptor {
     public TransportProtos.PostTelemetryMsg convertToPostTelemetry(MqttDeviceAwareSessionContext ctx, MqttPublishMessage inbound) throws AdaptorException {
         DeviceSessionCtx deviceSessionCtx = (DeviceSessionCtx) ctx;
         byte[] bytes = toBytes(inbound.payload());
+        Descriptors.Descriptor telemetryDynamicMsgDescriptor = getDescriptor(deviceSessionCtx.getTelemetryDynamicMsgDescriptor());
         try {
-            Descriptors.Descriptor telemetryDynamicMsgDescriptor = deviceSessionCtx.getTelemetryDynamicMsgDescriptor();
-            DynamicMessage dynamicMessage = DynamicMessage.parseFrom(telemetryDynamicMsgDescriptor, bytes);
-            String stringMsg = JsonFormat.printer().includingDefaultValueFields().print(dynamicMessage);
-            return JsonConverter.convertToTelemetryProto(new JsonParser().parse(stringMsg));
+            return JsonConverter.convertToTelemetryProto(new JsonParser().parse(dynamicMsgToJson(bytes, telemetryDynamicMsgDescriptor)));
         } catch (Exception e) {
             throw new AdaptorException(e);
         }
@@ -66,11 +64,9 @@ public class ProtoMqttAdaptor implements MqttTransportAdaptor {
     public TransportProtos.PostAttributeMsg convertToPostAttributes(MqttDeviceAwareSessionContext ctx, MqttPublishMessage inbound) throws AdaptorException {
         DeviceSessionCtx deviceSessionCtx = (DeviceSessionCtx) ctx;
         byte[] bytes = toBytes(inbound.payload());
+        Descriptors.Descriptor attributesDynamicMessage = getDescriptor(deviceSessionCtx.getAttributesDynamicMessageDescriptor());
         try {
-            Descriptors.Descriptor attributesDynamicMessage = deviceSessionCtx.getAttributesDynamicMessageDescriptor();
-            DynamicMessage dynamicMessage = DynamicMessage.parseFrom(attributesDynamicMessage, bytes);
-            String stringMsg = JsonFormat.printer().includingDefaultValueFields().print(dynamicMessage);
-            return JsonConverter.convertToAttributesProto(new JsonParser().parse(stringMsg));
+            return JsonConverter.convertToAttributesProto(new JsonParser().parse(dynamicMsgToJson(bytes, attributesDynamicMessage)));
         } catch (InvalidProtocolBufferException | IllegalArgumentException e) {
             throw new AdaptorException(e);
         }
@@ -204,4 +200,16 @@ public class ProtoMqttAdaptor implements MqttTransportAdaptor {
         return Integer.parseInt(topicName.substring(topic.length()));
     }
 
+    private Descriptors.Descriptor getDescriptor(Descriptors.Descriptor descriptor) throws AdaptorException {
+        if (descriptor == null) {
+            throw new AdaptorException("Failed to get dynamic message descriptor!");
+        }
+        return descriptor;
+    }
+
+    private String dynamicMsgToJson(byte[] bytes, Descriptors.Descriptor descriptor) throws InvalidProtocolBufferException {
+        DynamicMessage dynamicMessage = DynamicMessage.parseFrom(descriptor, bytes);
+        return JsonFormat.printer().includingDefaultValueFields().print(dynamicMessage);
+    }
+
 }
diff --git a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/DeviceSessionCtx.java b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/DeviceSessionCtx.java
index 81fefde514..f89ebd368e 100644
--- a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/DeviceSessionCtx.java
+++ b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/DeviceSessionCtx.java
@@ -113,13 +113,17 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
             telemetryTopicFilter = MqttTopicFilterFactory.toFilter(mqttConfig.getDeviceTelemetryTopic());
             attributesTopicFilter = MqttTopicFilterFactory.toFilter(mqttConfig.getDeviceAttributesTopic());
             if (payloadType.equals(TransportPayloadType.PROTOBUF) && mqttConfig instanceof MqttProtoDeviceProfileTransportConfiguration) {
-                MqttProtoDeviceProfileTransportConfiguration protoMqttConfig = (MqttProtoDeviceProfileTransportConfiguration) mqttConfig;
-                telemetryDynamicMessageDescriptor = protoMqttConfig.getDynamicMessageDescriptor(protoMqttConfig.getDeviceTelemetryProtoSchema(), "telemetrySchema");
-                attributesDynamicMessageDescriptor = protoMqttConfig.getDynamicMessageDescriptor(protoMqttConfig.getDeviceAttributesProtoSchema(), "attributesSchema");
+                updateDynamicMessageDescriptors(mqttConfig);
             }
         } else {
             telemetryTopicFilter = MqttTopicFilterFactory.getDefaultTelemetryFilter();
             attributesTopicFilter = MqttTopicFilterFactory.getDefaultAttributesFilter();
         }
     }
+
+    private void updateDynamicMessageDescriptors(MqttDeviceProfileTransportConfiguration mqttConfig) {
+        MqttProtoDeviceProfileTransportConfiguration protoMqttConfig = (MqttProtoDeviceProfileTransportConfiguration) mqttConfig;
+        telemetryDynamicMessageDescriptor = protoMqttConfig.getDynamicMessageDescriptor(protoMqttConfig.getDeviceTelemetryProtoSchema(), "telemetrySchema");
+        attributesDynamicMessageDescriptor = protoMqttConfig.getDynamicMessageDescriptor(protoMqttConfig.getDeviceAttributesProtoSchema(), "attributesSchema");
+    }
 }
diff --git a/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.ts b/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.ts
index c654c24f75..861dae78aa 100644
--- a/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.ts
+++ b/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.ts
@@ -88,8 +88,6 @@ export class MqttDeviceProfileTransportConfigurationComponent implements Control
         deviceAttributesTopic: [null, [Validators.required, this.validationMQTTTopic()]],
         deviceTelemetryTopic: [null, [Validators.required, this.validationMQTTTopic()]],
         transportPayloadType: [MqttTransportPayloadType.JSON, Validators.required],
-        // deviceTelemetryProtoSchema: [null, Validators.required],
-        // deviceAttributesProtoSchema: [null, Validators.required]
       })
     });
     this.mqttDeviceProfileTransportConfigurationFormGroup.valueChanges.subscribe(() => {