diff --git a/mogenerator.h b/mogenerator.h
index 1d5761d8..20940152 100644
--- a/mogenerator.h
+++ b/mogenerator.h
@@ -17,6 +17,11 @@
 - (NSArray*)entitiesWithACustomSubclassInConfiguration:(NSString*)configuration_ verbose:(BOOL)verbose_;
 @end
 
+@interface NSEntityDescription (userInfo)
+/// @return Whether or not the entity should be ignored during code generation
+- (BOOL)isIgnored;
+@end
+
 @interface NSEntityDescription (customBaseClass)
 - (BOOL)hasCustomClass;
 - (BOOL)hasSuperentity;
diff --git a/mogenerator.m b/mogenerator.m
index 241621cf..a83b3de1 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;
@@ -135,6 +136,15 @@ - (NSArray*)entitiesWithACustomSubclassInConfiguration:(NSString*)configuration_
 }
 @end
 
+@implementation NSEntityDescription (userInfo)
+- (BOOL)isIgnored {
+    NSString *readonlyUserinfoValue = [[self userInfo] objectForKey:kIgnored];
+    if (readonlyUserinfoValue != nil) {
+        return YES;
+    }
+    return NO;
+}
+@end
 
 @implementation NSEntityDescription (customBaseClass)
 - (BOOL)hasCustomBaseCaseImport {
@@ -1192,6 +1202,9 @@ - (int)application:(DDCliApplication*)app runWithArguments:(NSArray*)arguments {
         NSArray *entitiesWithCustomSubclass = [model entitiesWithACustomSubclassInConfiguration:configuration verbose:YES];
         for (NSEntityDescription *entity in entitiesWithCustomSubclass)
         {
+            if ([entity isIgnored]) {
+                continue;
+            }
             NSString *generatedMachineH = [machineH executeWithObject:entity sender:nil];
             NSString *generatedMachineM = [machineM executeWithObject:entity sender:nil];
             NSString *generatedHumanH = [humanH executeWithObject:entity sender:nil];
diff --git a/test/Rakefile b/test/Rakefile
index 6f04d33f..5898b5f5 100644
--- a/test/Rakefile
+++ b/test/Rakefile
@@ -45,11 +45,17 @@ def gen_and_compile_swift(mogenPath, extra_mogen_args)
   puts run_or_die './testbin'
 end
 
+def assert_entity_user_info_respected
+  # mogenerator.ignore
+  includes_uncle = Dir.entries('./MOs').any? { |file| file.include?('Uncle') }
+  raise 'Failed: Ignored entities should not be generated' if includes_uncle
+end
 
 desc 'Generate, Compile and Run Objective-C'
 task :objc do
   Rake::Task[:clean].execute
   gen_and_compile_objc(MOGENERATOR_PATH, '', '')
+  assert_entity_user_info_respected
   Rake::Task[:clean].execute
 end
 
@@ -57,6 +63,7 @@ desc 'Generate, Compile and Run Swift'
 task :swift do
   Rake::Task[:clean].execute
   gen_and_compile_swift(MOGENERATOR_PATH, '')
+  assert_entity_user_info_respected
   Rake::Task[:clean].execute
 end
 
diff --git a/test/test.xcdatamodel/contents b/test/test.xcdatamodel/contents
index 54105d88..73ba0625 100644
--- a/test/test.xcdatamodel/contents
+++ b/test/test.xcdatamodel/contents
@@ -55,6 +55,12 @@
         <relationship name="children" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Child" indexed="YES" syncable="YES"/>
         <relationship name="orderedChildren" optional="YES" toMany="YES" deletionRule="Cascade" ordered="YES" destinationEntity="Child" inverseName="parent" inverseEntity="Child" indexed="YES" syncable="YES"/>
     </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"/>
     <fetchRequest name="byParent" entity="Child" predicateString="parent == $parent"/>
@@ -69,5 +75,6 @@
         <element name="EntityWithBaseClass" positionX="342" positionY="18" width="128" height="60"/>
         <element name="Human" positionX="169" positionY="18" width="128" height="105"/>
         <element name="Parent" positionX="34" positionY="114" width="128" height="270"/>
+        <element name="Uncle" positionX="243" positionY="-36" width="128" height="60"/>
     </elements>
 </model>
\ No newline at end of file