diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 62416c55d55..1cf399bdcce 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -720,9 +720,6 @@ Other
   that are trivially replaced by LeafReader.terms() and MultiFields.getTerms()
   (David Smiley)
 
-======================= Lucene 6.6.3 =======================
-(No Changes)
-
 ======================= Lucene 6.6.2 =======================
 
 Changes in Runtime Behavior
diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index ac929783138..6ddb6b3b10c 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -1659,23 +1659,6 @@ Other Changes
 
 * SOLR-11324: Clean up mention of trie fields in documentation and source comments. (Steve Rowe)
 
-==================  6.6.3 ==================
-
-Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
-
-Versions of Major Components
----------------------
-Apache Tika 1.17
-Carrot2 3.15.0
-Velocity 1.7 and Velocity Tools 2.0
-Apache UIMA 2.3.1
-Apache ZooKeeper 3.4.11
-Jetty 9.4.8.v20171121
-
-
-(No Changes)
-
-
 ==================  6.6.2 ==================
 
 Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.