diff --git a/src/main/java/fr/xephi/authme/initialization/FieldInjection.java b/src/main/java/fr/xephi/authme/initialization/FieldInjection.java
index e9717b334..c74e7c279 100644
--- a/src/main/java/fr/xephi/authme/initialization/FieldInjection.java
+++ b/src/main/java/fr/xephi/authme/initialization/FieldInjection.java
@@ -114,6 +114,7 @@ public class FieldInjection<T> implements Injection<T> {
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     private static <T> Constructor<T> getDefaultConstructor(Class<T> clazz) {
         try {
             Constructor<?> defaultConstructor = clazz.getDeclaredConstructor();
diff --git a/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java b/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
index 840ebfc9c..6cb7c77fa 100644
--- a/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
+++ b/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
@@ -1,6 +1,5 @@
 package fr.xephi.authme.process.logout;
 
-import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
@@ -17,9 +16,6 @@ import javax.inject.Inject;
 
 public class AsynchronousLogout implements AsynchronousProcess {
 
-    @Inject
-    private AuthMe plugin;
-
     @Inject
     private DataSource database;
 
diff --git a/src/test/java/fr/xephi/authme/initialization/FieldInjectionTest.java b/src/test/java/fr/xephi/authme/initialization/FieldInjectionTest.java
index 39675343e..89e460e5c 100644
--- a/src/test/java/fr/xephi/authme/initialization/FieldInjectionTest.java
+++ b/src/test/java/fr/xephi/authme/initialization/FieldInjectionTest.java
@@ -22,6 +22,7 @@ import static org.junit.Assert.assertThat;
 /**
  * Test for {@link FieldInjection}.
  */
+
 public class FieldInjectionTest {
 
     @SuppressWarnings("unchecked")
@@ -114,6 +115,8 @@ public class FieldInjectionTest {
         assertThat(injection, nullValue());
     }
 
+
+    @SuppressWarnings("unused")
     private static class ThrowingConstructor {
         @Inject
         private ProvidedClass providedClass;
diff --git a/src/test/java/fr/xephi/authme/initialization/samples/InvalidPostConstruct.java b/src/test/java/fr/xephi/authme/initialization/samples/InvalidPostConstruct.java
index 501fad6af..1e8325495 100644
--- a/src/test/java/fr/xephi/authme/initialization/samples/InvalidPostConstruct.java
+++ b/src/test/java/fr/xephi/authme/initialization/samples/InvalidPostConstruct.java
@@ -6,6 +6,8 @@ import javax.inject.Inject;
 /**
  * Class with invalid @PostConstruct method.
  */
+
+@SuppressWarnings("unused")
 public abstract class InvalidPostConstruct {
 
     public static final class WithParams {