diff --git a/src/main/java/de/jangassen/jfa/appkit/NSApplication.java b/src/main/java/de/jangassen/jfa/appkit/NSApplication.java
index 92e52e2..2346c95 100644
--- a/src/main/java/de/jangassen/jfa/appkit/NSApplication.java
+++ b/src/main/java/de/jangassen/jfa/appkit/NSApplication.java
@@ -7,6 +7,7 @@
 import static de.jangassen.jfa.foundation.Foundation.getObjcClass;
 import static de.jangassen.jfa.foundation.Foundation.invoke;
 
+@SuppressWarnings("unused")
 public interface NSApplication extends NSObject {
     static NSApplication sharedApplication() {
         return FoundationProxy.wrap(invoke(getObjcClass("NSApplication"), "sharedApplication"), NSApplication.class);
diff --git a/src/main/java/de/jangassen/jfa/appkit/NSMenu.java b/src/main/java/de/jangassen/jfa/appkit/NSMenu.java
index 009d7a7..6d39e1f 100644
--- a/src/main/java/de/jangassen/jfa/appkit/NSMenu.java
+++ b/src/main/java/de/jangassen/jfa/appkit/NSMenu.java
@@ -4,6 +4,7 @@
 import de.jangassen.jfa.FoundationProxy;
 import de.jangassen.jfa.annotation.NamedArg;
 
+@SuppressWarnings("unused")
 public interface NSMenu extends NSObject {
 
     static NSMenu alloc() {
diff --git a/src/main/java/de/jangassen/jfa/appkit/NSMenuItem.java b/src/main/java/de/jangassen/jfa/appkit/NSMenuItem.java
index d77aeaf..74adba7 100644
--- a/src/main/java/de/jangassen/jfa/appkit/NSMenuItem.java
+++ b/src/main/java/de/jangassen/jfa/appkit/NSMenuItem.java
@@ -6,6 +6,7 @@
 import de.jangassen.jfa.foundation.ID;
 import de.jangassen.jfa.annotation.NamedArg;
 
+@SuppressWarnings("unused")
 public interface NSMenuItem extends NSObject {
 
     static NSMenuItem alloc() {
diff --git a/src/main/java/de/jangassen/jfa/appkit/NSObject.java b/src/main/java/de/jangassen/jfa/appkit/NSObject.java
index bd8241f..004983b 100644
--- a/src/main/java/de/jangassen/jfa/appkit/NSObject.java
+++ b/src/main/java/de/jangassen/jfa/appkit/NSObject.java
@@ -3,6 +3,7 @@
 
 import de.jangassen.jfa.FoundationProxy;
 
+@SuppressWarnings("unused")
 public interface NSObject {
     static NSObject alloc() {
         return FoundationProxy.alloc(NSObject.class);
diff --git a/src/main/java/de/jangassen/jfa/appkit/NSWorkspace.java b/src/main/java/de/jangassen/jfa/appkit/NSWorkspace.java
index 1004567..12f2a9f 100644
--- a/src/main/java/de/jangassen/jfa/appkit/NSWorkspace.java
+++ b/src/main/java/de/jangassen/jfa/appkit/NSWorkspace.java
@@ -6,6 +6,7 @@
 import static de.jangassen.jfa.foundation.Foundation.getObjcClass;
 import static de.jangassen.jfa.foundation.Foundation.invoke;
 
+@SuppressWarnings("unused")
 public interface NSWorkspace extends NSObject {
     static NSWorkspace sharedWorkspace() {
         return FoundationProxy.wrap(invoke(getObjcClass("NSWorkspace"), "sharedWorkspace"), NSWorkspace.class);