diff --git a/DAO.podspec b/DAO.podspec
index 8368fa4..949ef35 100644
--- a/DAO.podspec
+++ b/DAO.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'DAO'
-  s.version          = '1.4.0'
+  s.version          = '1.4.1'
   s.summary          = 'DAO Library'
   s.description      = 'Library provides easy way to cache entities.'
   s.homepage         = 'https://github.com/RedMadRobot/DAO'
diff --git a/DAO/Classes/Core/Entity.swift b/DAO/Classes/Core/Entity.swift
index d199fa0..37dba02 100644
--- a/DAO/Classes/Core/Entity.swift
+++ b/DAO/Classes/Core/Entity.swift
@@ -36,7 +36,7 @@ open class Entity: Hashable {
     }
     
     
-    /// Function to redefine it in children for proper equality.
+    /// Redefine this function in child class for proper equality.
     ///
     /// - Parameter other: entity compare with.
     /// - Returns: result of comparison.
diff --git a/DAO/Classes/CoreDataDAO/DAO/CoreDataDAO.swift b/DAO/Classes/CoreDataDAO/DAO/CoreDataDAO.swift
index b8a051c..5b62274 100644
--- a/DAO/Classes/CoreDataDAO/DAO/CoreDataDAO.swift
+++ b/DAO/Classes/CoreDataDAO/DAO/CoreDataDAO.swift
@@ -351,7 +351,7 @@ open class CoreDataDAO<Model: Entity, CDModel: NSManagedObject> : DAO<Model> {
             inContext context: NSManagedObjectContext) -> Bool {
         
         let existingEntries = fetchEntries(entryId, inContext: context)
-        return existingEntries.count > 0
+        return !existingEntries.isEmpty
     }
     
     
diff --git a/DAO/Classes/RealmDAO/Translator/RealmTranslator.swift b/DAO/Classes/RealmDAO/Translator/RealmTranslator.swift
index 0ede4aa..81c2efa 100644
--- a/DAO/Classes/RealmDAO/Translator/RealmTranslator.swift
+++ b/DAO/Classes/RealmDAO/Translator/RealmTranslator.swift
@@ -37,10 +37,7 @@ open class RealmTranslator<Model: Entity, RealmModel: RLMEntry> {
         
         fromEntities
             .map { entity -> (RealmModel, Model) in
-                
-                let entry = entries
-                    .filter { $0.entryId == entity.entityId }
-                    .first
+                let entry = entries.first { $0.entryId == entity.entityId }
                 
                 if let entry = entry {
                     return (entry, entity)
diff --git a/Example/DAO.xcodeproj/project.pbxproj b/Example/DAO.xcodeproj/project.pbxproj
index d9f0e49..4266cf4 100644
--- a/Example/DAO.xcodeproj/project.pbxproj
+++ b/Example/DAO.xcodeproj/project.pbxproj
@@ -746,7 +746,7 @@
 				INFOPLIST_FILE = DAO/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				MARKETING_VERSION = 1.4.0;
+				MARKETING_VERSION = 1.4.1;
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -763,7 +763,7 @@
 				INFOPLIST_FILE = DAO/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				MARKETING_VERSION = 1.4.0;
+				MARKETING_VERSION = 1.4.1;
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";