diff --git a/server/src/test/java/org/elasticsearch/index/similarity/SimilarityTests.java b/server/src/test/java/org/elasticsearch/index/similarity/SimilarityTests.java
index fd5a77665fecd..d1fae9acceb67 100644
--- a/server/src/test/java/org/elasticsearch/index/similarity/SimilarityTests.java
+++ b/server/src/test/java/org/elasticsearch/index/similarity/SimilarityTests.java
@@ -99,8 +99,7 @@ public void testResolveSimilaritiesFromMapping_bm25() throws IOException {
         LegacyBM25Similarity similarity = (LegacyBM25Similarity) mapperService.fullName("field1").similarity().get();
         assertThat(similarity.getK1(), equalTo(2.0f));
         assertThat(similarity.getB(), equalTo(0.5f));
-        // TODO: re-enable when we switch back to BM25Similarity
-        // assertThat(similarity.getDiscountOverlaps(), equalTo(false));
+        assertThat(similarity.getDiscountOverlaps(), equalTo(false));
     }
 
     public void testResolveSimilaritiesFromMapping_boolean() throws IOException {