diff --git a/src/main/java/net/ripe/rpki/rsyncit/rsync/RsyncWriter.java b/src/main/java/net/ripe/rpki/rsyncit/rsync/RsyncWriter.java
index 4362662..b1b25b1 100644
--- a/src/main/java/net/ripe/rpki/rsyncit/rsync/RsyncWriter.java
+++ b/src/main/java/net/ripe/rpki/rsyncit/rsync/RsyncWriter.java
@@ -10,7 +10,6 @@
 import java.io.UncheckedIOException;
 import java.net.URI;
 import java.nio.file.Files;
-import java.nio.file.LinkOption;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.attribute.FileTime;
@@ -20,9 +19,7 @@
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
-import java.util.concurrent.Callable;
 import java.util.concurrent.ForkJoinPool;
-import java.util.function.Consumer;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -232,18 +229,6 @@ void cleanupOldTargetDirectories(Instant now, Path baseDirectory) throws IOExcep
         }
     }
 
-    public interface IOExceptionThrowingCallable<T> {
-        T call() throws IOException;
-    }
-
-    static <T> T withUncheckedIOException(IOExceptionThrowingCallable<T> callable) {
-        try {
-            return callable.call();
-        } catch (IOException e) {
-            throw new UncheckedIOException(e);
-        }
-    }
-
     private FileTime getLastModifiedTime(Path path) {
         try {
             return Files.getLastModifiedTime(path);