diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 05252c33469..6755b706ad6 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -253,6 +253,8 @@ Other Changes
 
 * SOLR-9367: Improved TestInjection's randomization logic to use LuceneTestCase.random() (hossman)
 
+* SOLR-9331: Remove ReRankQuery's length constructor argument and member. (Christine Poerschke)
+
 ==================  6.1.0 ==================
 
 Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
diff --git a/solr/core/src/java/org/apache/solr/search/ReRankQParserPlugin.java b/solr/core/src/java/org/apache/solr/search/ReRankQParserPlugin.java
index 3f0bb0e7ddb..a903968058a 100644
--- a/solr/core/src/java/org/apache/solr/search/ReRankQParserPlugin.java
+++ b/solr/core/src/java/org/apache/solr/search/ReRankQParserPlugin.java
@@ -42,7 +42,6 @@ import org.apache.lucene.search.TopScoreDocCollector;
 import org.apache.lucene.search.Weight;
 import org.apache.lucene.util.BytesRef;
 import org.apache.solr.common.SolrException;
-import org.apache.solr.common.params.CommonParams;
 import org.apache.solr.common.params.SolrParams;
 import org.apache.solr.handler.component.MergeStrategy;
 import org.apache.solr.handler.component.QueryElevationComponent;
@@ -91,10 +90,7 @@ public class ReRankQParserPlugin extends QParserPlugin {
 
       double reRankWeight = localParams.getDouble(RERANK_WEIGHT, RERANK_WEIGHT_DEFAULT);
 
-      int start = params.getInt(CommonParams.START,CommonParams.START_DEFAULT);
-      int rows = params.getInt(CommonParams.ROWS,CommonParams.ROWS_DEFAULT);
-      int length = start+rows;
-      return new ReRankQuery(reRankQuery, reRankDocs, reRankWeight, length);
+      return new ReRankQuery(reRankQuery, reRankDocs, reRankWeight);
     }
   }
 
@@ -121,7 +117,6 @@ public class ReRankQParserPlugin extends QParserPlugin {
     private Query mainQuery = defaultQuery;
     final private Query reRankQuery;
     final private int reRankDocs;
-    final private int length;
     final private double reRankWeight;
     final private Rescorer reRankQueryRescorer;
     private Map<BytesRef, Integer> boostedPriority;
@@ -142,11 +137,10 @@ public class ReRankQParserPlugin extends QParserPlugin {
              reRankDocs == rrq.reRankDocs;
     }
 
-    public ReRankQuery(Query reRankQuery, int reRankDocs, double reRankWeight, int length) {
+    public ReRankQuery(Query reRankQuery, int reRankDocs, double reRankWeight) {
       this.reRankQuery = reRankQuery;
       this.reRankDocs = reRankDocs;
       this.reRankWeight = reRankWeight;
-      this.length = length;
       this.reRankQueryRescorer = new ReRankQueryRescorer(reRankQuery, reRankWeight);
     }
 
@@ -171,7 +165,7 @@ public class ReRankQParserPlugin extends QParserPlugin {
         }
       }
 
-      return new ReRankCollector(reRankDocs, length, reRankQueryRescorer, cmd, searcher, boostedPriority);
+      return new ReRankCollector(reRankDocs, len, reRankQueryRescorer, cmd, searcher, boostedPriority);
     }
 
     @Override
@@ -188,7 +182,7 @@ public class ReRankQParserPlugin extends QParserPlugin {
     public Query rewrite(IndexReader reader) throws IOException {
       Query q = mainQuery.rewrite(reader);
       if (q != mainQuery) {
-        return new ReRankQuery(reRankQuery, reRankDocs, reRankWeight, length).wrap(q);
+        return new ReRankQuery(reRankQuery, reRankDocs, reRankWeight).wrap(q);
       }
       return super.rewrite(reader);
     }