diff --git a/lib/dataContract/validateDataContractFactory.js b/lib/dataContract/validateDataContractFactory.js
index d64a9075e..f08f58d7b 100644
--- a/lib/dataContract/validateDataContractFactory.js
+++ b/lib/dataContract/validateDataContractFactory.js
@@ -9,13 +9,11 @@ const UndefinedIndexPropertyError = require('../errors/UndefinedIndexPropertyErr
 const InvalidIndexPropertyTypeError = require('../errors/InvalidIndexPropertyTypeError');
 const SystemPropertyIndexAlreadyPresentError = require('../errors/SystemPropertyIndexAlreadyPresentError');
 const UniqueIndicesLimitReachedError = require('../errors/UniqueIndicesLimitReachedError');
-const DataContractMaxByteSizeExceededError = require('../errors/DataContractMaxByteSizeExceededError');
 const InvalidDataContractEntropyError = require('../errors/InvalidDataContractEntropyError');
 const InvalidDataContractIdError = require('../errors/InvalidDataContractIdError');
 
 const getPropertyDefinitionByPath = require('./getPropertyDefinitionByPath');
 
-const { encode } = require('../util/serializer');
 const entropy = require('../util/entropy');
 
 const systemProperties = ['$id', '$ownerId'];
@@ -44,17 +42,6 @@ module.exports = function validateDataContractFactory(
 
     const result = new ValidationResult();
 
-    // Validate Data Contract size
-    const serializedDataContract = encode(rawDataContract);
-    const serializedDataContractByteSize = Buffer.byteLength(serializedDataContract);
-
-    if (serializedDataContractByteSize > DataContractMaxByteSizeExceededError.MAX_SIZE) {
-      result.addError(
-        new DataContractMaxByteSizeExceededError(rawDataContract),
-      );
-      return result;
-    }
-
     // Validate Data Contract schema
     result.merge(
       jsonSchemaValidator.validate(
diff --git a/lib/errors/DataContractMaxByteSizeExceededError.js b/lib/errors/DataContractMaxByteSizeExceededError.js
deleted file mode 100644
index ac32606cc..000000000
--- a/lib/errors/DataContractMaxByteSizeExceededError.js
+++ /dev/null
@@ -1,25 +0,0 @@
-const ConsensusError = require('./ConsensusError');
-
-class DataContractMaxByteSizeExceededError extends ConsensusError {
-  /**
-   * @param {RawDataContract} dataContract
-   */
-  constructor(dataContract) {
-    super(`Maximum Data Contract size of ${DataContractMaxByteSizeExceededError.MAX_SIZE} bytes is reached`);
-
-    this.dataContract = dataContract;
-  }
-
-  /**
-   * Get data contract
-   *
-   * @return {RawDataContract}
-   */
-  getDataContract() {
-    return this.dataContract;
-  }
-}
-
-DataContractMaxByteSizeExceededError.MAX_SIZE = 15 * 1024; // 15 Kb
-
-module.exports = DataContractMaxByteSizeExceededError;
diff --git a/test/integration/dataContract/validateDataContractFactory.spec.js b/test/integration/dataContract/validateDataContractFactory.spec.js
index 2eb33c3f2..e49c7bd65 100644
--- a/test/integration/dataContract/validateDataContractFactory.spec.js
+++ b/test/integration/dataContract/validateDataContractFactory.spec.js
@@ -18,7 +18,6 @@ const UndefinedIndexPropertyError = require('../../../lib/errors/UndefinedIndexP
 const InvalidIndexPropertyTypeError = require('../../../lib/errors/InvalidIndexPropertyTypeError');
 const SystemPropertyIndexAlreadyPresentError = require('../../../lib/errors/SystemPropertyIndexAlreadyPresentError');
 const UniqueIndicesLimitReachedError = require('../../../lib/errors/UniqueIndicesLimitReachedError');
-const DataContractMaxByteSizeExceededError = require('../../../lib/errors/DataContractMaxByteSizeExceededError');
 const InvalidDataContractEntropyError = require('../../../lib/errors/InvalidDataContractEntropyError');
 const InvalidDataContractIdError = require('../../../lib/errors/InvalidDataContractIdError');
 
@@ -1518,21 +1517,6 @@ describe('validateDataContractFactory', () => {
     });
   });
 
-  it('should return an invalid result if data contract byte size is bigger than 15 Kb', async () => {
-    const hugeDataContract = {};
-    for (let i = 0; i < 2200; i++) {
-      hugeDataContract[i] = i;
-    }
-
-    const result = await validateDataContract(hugeDataContract);
-
-    expectValidationError(result, DataContractMaxByteSizeExceededError);
-
-    const [error] = result.getErrors();
-
-    expect(error.getDataContract()).to.deep.equal(hugeDataContract);
-  });
-
   it('should return invalid result with circular $ref pointer', async () => {
     rawDataContract.definitions.object = { $ref: '#/definitions/object' };