diff --git a/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java b/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
index 341c4d0..ef9db77 100644
--- a/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
+++ b/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
@@ -20,8 +20,6 @@
 import de.ids_mannheim.korap.exceptions.StatusCodes;
 import de.ids_mannheim.korap.security.context.TokenContext;
 import de.ids_mannheim.korap.user.User;
-import net.sf.ehcache.Cache;
-import net.sf.ehcache.CacheManager;
 
 /**
  * Authentication provider using JWT tokens
diff --git a/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java b/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
index 410a58a..f16acbf 100644
--- a/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
+++ b/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
@@ -7,8 +7,6 @@
 import java.util.Arrays;
 import java.util.zip.GZIPInputStream;
 
-import javax.management.RuntimeErrorException;
-
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.io.output.ByteArrayOutputStream;
@@ -61,7 +59,7 @@
         }
         catch (IOException | QueryException e) {
 //            e.printStackTrace();
-            throw new RuntimeErrorException(new Error(e.getMessage(), e.getCause()));
+            throw new RuntimeException(e.getMessage(), e.getCause());
         }
     }
     
diff --git a/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java b/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
index b31c643..23d2fa4 100644
--- a/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
+++ b/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
@@ -2,7 +2,6 @@
 
 import java.io.Serializable;
 import java.time.ZonedDateTime;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -16,7 +15,6 @@
 import de.ids_mannheim.korap.utils.TimeUtils;
 import lombok.AccessLevel;
 import lombok.Data;
-import lombok.Getter;
 import lombok.Setter;
 
 /**
diff --git a/full/src/main/resources/basic-config.xml b/full/src/main/resources/basic-config.xml
index 2ba0d1a..87cb8f7 100644
--- a/full/src/main/resources/basic-config.xml
+++ b/full/src/main/resources/basic-config.xml
@@ -333,7 +333,7 @@
 		<constructor-arg index="0" value="${mail.username}" />
 		<constructor-arg index="1" value="${mail.password}" />
 	</bean>
-	<bean id="smtpSession" class="javax.mail.Session" factory-method="getInstance">
+	<bean id="smtpSession" class="jakarta.mail.Session" factory-method="getInstance">
 		<constructor-arg index="0">
 			<props>
 				<prop key="mail.smtp.submitter">${mail.username}</prop>