diff --git a/mogenerator.h b/mogenerator.h
index 5aed9c97..003ebb4a 100644
--- a/mogenerator.h
+++ b/mogenerator.h
@@ -27,6 +27,7 @@
 - (NSString*)additionalHeaderFileName;
 - (void)_processPredicate:(NSPredicate*)predicate_ bindings:(NSMutableArray*)bindings_;
 - (NSArray*)prettyFetchRequests;
+- (BOOL)isIgnored;
 @end
 
 @interface NSAttributeDescription (typing)
@@ -67,7 +68,6 @@
     NSString              *baseClass;
     NSString              *baseClassImport;
     NSString              *baseClassForce;
-    NSString              *ignoredEntities;
     NSString              *includem;
     NSString              *includeh;
     NSString              *templatePath;
diff --git a/mogenerator.m b/mogenerator.m
index 0139e1d4..61ad5d08 100644
--- a/mogenerator.m
+++ b/mogenerator.m
@@ -19,6 +19,7 @@
 static const NSString *const kAdditionalImportsKey = @"additionalImports";
 static const NSString *const kCustomBaseClass = @"mogenerator.customBaseClass";
 static const NSString *const kReadOnly = @"mogenerator.readonly";
+static const NSString *const kIgnored = @"mogenerator.ignore";
 
 @interface NSEntityDescription (fetchedPropertiesAdditions)
 - (NSDictionary*)fetchedPropertiesByName;
@@ -418,6 +419,14 @@ - (NSArray*)prettyFetchRequests {
     }
     return result;
 }
+
+- (BOOL)isIgnored {
+    NSString *readonlyUserinfoValue = [[self userInfo] objectForKey:kIgnored];
+    if (readonlyUserinfoValue != nil) {
+        return YES;
+    }
+    return NO;
+}
 @end
 
 @implementation NSAttributeDescription (typing)
@@ -796,7 +805,6 @@ - (void)application:(DDCliApplication*)app
         {@"base-class",         0,     DDGetoptRequiredArgument},
         {@"base-class-import",  0,     DDGetoptRequiredArgument},
         {@"base-class-force",   0,     DDGetoptRequiredArgument},
-        {@"ignored-entities",   0,     DDGetoptRequiredArgument},
         // For compatibility:
         {@"baseClass",          0,     DDGetoptRequiredArgument},
         {@"includem",           0,     DDGetoptRequiredArgument},
@@ -851,7 +859,6 @@ - (void)printUsage {
            "--base-class-force CLASS  Same as --base-class except will force all entities to\n"
            "                          have the specified base class. Even if a super entity\n"
            "                          exists\n"
-           "--ignored-entities LIST   Comma separated list of of entity names. Entities will be ignored when generating classes\n"
            "--includem FILE           Generate aggregate include file for .m files for both\n"
            "                          human and machine generated source files\n"
            "--includeh FILE           Generate aggregate include file for .h files for human\n"
@@ -1048,11 +1055,6 @@ - (void)validateOutputPath:(NSString*)path forType:(NSString*)type
     }
 }
 
-- (BOOL)isIgnoredEntity:(NSString *)entityName {
-    NSArray<NSString *> *entities = [ignoredEntities componentsSeparatedByString:@","];
-    return [entities containsObject:entityName] || [entities containsObject:[NSString stringWithFormat:@"_%@", entityName]];
-}
-
 - (int)application:(DDCliApplication*)app runWithArguments:(NSArray*)arguments {
     if (_help) {
         [self printUsage];
@@ -1199,7 +1201,7 @@ - (int)application:(DDCliApplication*)app runWithArguments:(NSArray*)arguments {
         NSArray *entitiesWithCustomSubclass = [model entitiesWithACustomSubclassInConfiguration:configuration verbose:YES];
         for (NSEntityDescription *entity in entitiesWithCustomSubclass)
         {
-            if ([self isIgnoredEntity:entity.name]) {
+            if ([entity isIgnored]) {
                 continue;
             }
             NSString *generatedMachineH = [machineH executeWithObject:entity sender:nil];
diff --git a/test/Rakefile b/test/Rakefile
index 60625cff..6c1b1717 100644
--- a/test/Rakefile
+++ b/test/Rakefile
@@ -26,9 +26,7 @@ run_or_die 'xcodebuild -project ../mogenerator.xcodeproj -scheme mogenerator cle
 run_or_die 'xcodebuild -project ../mogenerator.xcodeproj -scheme mogenerator'
 
 def gen_and_compile_objc(mogenPath, extra_mogen_args, extra_llvm_args)
-  status = '*** Testing Objective-C'
-  status << ' with parameters' if extra_mogen_args.length > 0
-  puts status
+  puts = '*** Testing Objective-C'
   ENV['MOMC_NO_INVERSE_RELATIONSHIP_WARNINGS'] = '1'
   run_or_die "#{mogenPath.gsub(/ /, '\\ ')} --model test.xcdatamodel --output MOs --baseClass MyBaseClass #{extra_mogen_args}"
   run_or_die 'cp ./objc/Gender.* ./objc/MyBaseClass.* MOs'
@@ -62,13 +60,11 @@ task :swift do
   Rake::Task[:clean].execute
 end
 
-desc 'Generate, Compile and Run with parameters'
+desc 'Generate, Compile and test ignored entities'
 task :objc do
   Rake::Task[:clean].execute
-  gen_and_compile_objc(MOGENERATOR_PATH, '--ignored-entities Uncle,Aunt', '')
-  includes_uncle = Dir.entries('./MOs').any? do |file|
-    file.include?('Uncle') || file.include?('Aunt')
-  end
+  gen_and_compile_objc(MOGENERATOR_PATH, '', '')
+  includes_uncle = Dir.entries('./MOs').any? { |file| file.include?('Uncle') }
   raise 'Failed: Ignored entities should not be generated' if includes_uncle
   Rake::Task[:clean].execute
 end
diff --git a/test/test.xcdatamodel/contents b/test/test.xcdatamodel/contents
index a62d35c2..73ba0625 100644
--- a/test/test.xcdatamodel/contents
+++ b/test/test.xcdatamodel/contents
@@ -57,6 +57,9 @@
     </entity>
     <entity name="Uncle" representedClassName="UncleMO" parentEntity="Human" syncable="YES">
         <attribute name="attribute" optional="YES" attributeType="String" syncable="YES"/>
+        <userInfo>
+            <entry key="mogenerator.ignore" value="value"/>
+        </userInfo>
     </entity>
     <fetchRequest name="allHumans" entity="Human"/>
     <fetchRequest name="byHumanName" entity="Human" predicateString="humanName == $humanName"/>