diff --git a/src/test/java/de/ids_mannheim/korap/benchmark/TestBenchmarkSpans.java b/src/test/java/de/ids_mannheim/korap/benchmark/TestBenchmarkSpans.java
index 1a28f7d..213d11d 100644
--- a/src/test/java/de/ids_mannheim/korap/benchmark/TestBenchmarkSpans.java
+++ b/src/test/java/de/ids_mannheim/korap/benchmark/TestBenchmarkSpans.java
@@ -11,7 +11,7 @@
 import de.ids_mannheim.korap.KorapResult;
 import de.ids_mannheim.korap.KorapQuery;
 import org.apache.lucene.store.MMapDirectory;
-import de.ids_mannheim.korap.filter.BooleanFilter;
+import de.ids_mannheim.korap.collection.BooleanFilter;
 import org.apache.lucene.search.spans.SpanQuery;
 import de.ids_mannheim.korap.query.wrap.SpanQueryWrapper;
 import de.ids_mannheim.korap.util.QueryException;
diff --git a/src/test/java/de/ids_mannheim/korap/collection/TestKorapCollectionLegacy.java b/src/test/java/de/ids_mannheim/korap/collection/TestKorapCollectionLegacy.java
index a169a8f..eb09d8a 100644
--- a/src/test/java/de/ids_mannheim/korap/collection/TestKorapCollectionLegacy.java
+++ b/src/test/java/de/ids_mannheim/korap/collection/TestKorapCollectionLegacy.java
@@ -8,7 +8,7 @@
 import de.ids_mannheim.korap.KorapFilter;
 import de.ids_mannheim.korap.KorapResult;
 import de.ids_mannheim.korap.KorapQuery;
-import de.ids_mannheim.korap.filter.BooleanFilter;
+import de.ids_mannheim.korap.collection.BooleanFilter;
 
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.spans.SpanOrQuery;
diff --git a/src/test/java/de/ids_mannheim/korap/index/TestWPDIndex.java b/src/test/java/de/ids_mannheim/korap/index/TestWPDIndex.java
index 9bf4952..5d8b5d2 100644
--- a/src/test/java/de/ids_mannheim/korap/index/TestWPDIndex.java
+++ b/src/test/java/de/ids_mannheim/korap/index/TestWPDIndex.java
@@ -18,7 +18,7 @@
 import de.ids_mannheim.korap.KorapMatch;
 import de.ids_mannheim.korap.KorapResult;
 import de.ids_mannheim.korap.KorapSearch;
-import de.ids_mannheim.korap.filter.BooleanFilter;
+import de.ids_mannheim.korap.collection.BooleanFilter;
 import de.ids_mannheim.korap.query.DistanceConstraint;
 import de.ids_mannheim.korap.query.SpanDistanceQuery;
 import de.ids_mannheim.korap.query.SpanElementQuery;