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 c5ecc8371a..5254b7574f 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
@@ -56,10 +56,6 @@ export class MqttDeviceProfileTransportConfigurationComponent implements Control
 
   transportPayloadTypes = Object.keys(TransportPayloadType);
 
-  get protobufControls() {
-    return this.getProtobufControls();
-  }
-
   transportPayloadTypeTranslations = transportPayloadTypeTranslationMap;
 
   mqttDeviceProfileTransportConfigurationFormGroup: FormGroup;
@@ -215,21 +211,4 @@ export class MqttDeviceProfileTransportConfigurationComponent implements Control
     }
     return null;
   }
-
-  getProtobufControls() {
-    return [
-      {
-        name: 'deviceAttributesProtoSchema',
-        label: 'device-profile.attributes-proto-schema',
-        errorControl: 'transportPayloadTypeConfiguration.deviceAttributesProtoSchema',
-        errorText: 'device-profile.attributes-proto-schema-required'
-      },
-      {
-        deviceTelemetryProtoSchema: 'deviceRpcRequestProtoSchema',
-        label: 'device-profile.rpc-request-proto-schema',
-        errorControl: 'transportPayloadTypeConfiguration.deviceRpcRequestProtoSchema',
-        errorText: 'device-profile.rpc-request-proto-required'
-      }
-    ];
-  }
 }
diff --git a/ui-ngx/src/app/shared/components/protobuf-content.component.html b/ui-ngx/src/app/shared/components/protobuf-content.component.html
index 450c17e84b..b1ec6c8dd4 100644
--- a/ui-ngx/src/app/shared/components/protobuf-content.component.html
+++ b/ui-ngx/src/app/shared/components/protobuf-content.component.html
@@ -2,7 +2,7 @@
      tb-fullscreen
      [fullscreen]="fullscreen" (fullscreenChanged)="onFullscreen()" fxLayout="column">
   <div fxLayout="row" fxLayoutAlign="start center" style="height: 40px;" class="tb-protobuf-content-toolbar">
-    <label class="tb-title no-padding" [ngClass]="{'tb-error': !contentValid}">{{ label }}</label>
+    <label class="tb-title no-padding">{{ label }}</label>
     <span fxFlex></span>
     <button type="button"
             mat-button *ngIf="!readonly && !disabled" class="tidy" (click)="beautifyProtobuf()">
diff --git a/ui-ngx/src/app/shared/components/protobuf-content.component.ts b/ui-ngx/src/app/shared/components/protobuf-content.component.ts
index 2846fdf5fc..d3599fc6c3 100644
--- a/ui-ngx/src/app/shared/components/protobuf-content.component.ts
+++ b/ui-ngx/src/app/shared/components/protobuf-content.component.ts
@@ -3,13 +3,11 @@ import {
   ElementRef,
   forwardRef,
   Input,
-  OnChanges,
   OnDestroy,
   OnInit,
-  SimpleChanges,
   ViewChild
 } from '@angular/core';
-import { ControlValueAccessor, FormControl, NG_VALIDATORS, NG_VALUE_ACCESSOR, Validator } from '@angular/forms';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 import { Ace } from 'ace-builds';
 import { CancelAnimationFrame, RafService } from '@core/services/raf.service';
 import { ResizeObserver } from '@juggle/resize-observer';
@@ -29,15 +27,10 @@ import { beautifyJs } from '@shared/models/beautify.models';
       provide: NG_VALUE_ACCESSOR,
       useExisting: forwardRef(() => ProtobufContentComponent),
       multi: true
-    },
-    {
-      provide: NG_VALIDATORS,
-      useExisting: forwardRef(() => ProtobufContentComponent),
-      multi: true,
     }
   ]
 })
-export class ProtobufContentComponent implements OnInit, ControlValueAccessor, Validator, OnDestroy {
+export class ProtobufContentComponent implements OnInit, ControlValueAccessor, OnDestroy {
 
   @ViewChild('protobufEditor', {static: true})
   protobufEditorElmRef: ElementRef;
@@ -72,8 +65,6 @@ export class ProtobufContentComponent implements OnInit, ControlValueAccessor, V
 
   contentBody: string;
 
-  contentValid: boolean;
-
   errorShowed = false;
 
   private propagateChange = null;
@@ -138,17 +129,8 @@ export class ProtobufContentComponent implements OnInit, ControlValueAccessor, V
     }
   }
 
-  validate(c: FormControl) {
-    return (this.contentValid) ? null : {
-      contentBody: {
-        valid: false,
-      },
-    };
-  }
-
   writeValue(value: string): void {
     this.contentBody = value;
-    this.contentValid = true;
     if (this.protobufEditor) {
       this.ignoreChange = true;
       this.protobufEditor.setValue(this.contentBody ? this.contentBody : '', -1);