diff --git a/lucene/core/src/java/org/apache/lucene/codecs/intblock/FixedIntBlockIndexInput.java b/lucene/core/src/java/org/apache/lucene/codecs/intblock/FixedIntBlockIndexInput.java
index 6c5ecc585df..33457e4243a 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/intblock/FixedIntBlockIndexInput.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/intblock/FixedIntBlockIndexInput.java
@@ -26,7 +26,6 @@ import java.io.IOException;
 import org.apache.lucene.codecs.sep.IntIndexInput;
 import org.apache.lucene.store.DataInput;
 import org.apache.lucene.store.IndexInput;
-import org.apache.lucene.util.IntsRef;
 
 /** Abstract base class that reads fixed-size blocks of ints
  *  from an IndexInput.  While this is a simple approach, a
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/intblock/VariableIntBlockIndexInput.java b/lucene/core/src/java/org/apache/lucene/codecs/intblock/VariableIntBlockIndexInput.java
index fab714cfcca..9505c1e253c 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/intblock/VariableIntBlockIndexInput.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/intblock/VariableIntBlockIndexInput.java
@@ -26,7 +26,6 @@ import java.io.IOException;
 import org.apache.lucene.codecs.sep.IntIndexInput;
 import org.apache.lucene.store.DataInput;
 import org.apache.lucene.store.IndexInput;
-import org.apache.lucene.util.IntsRef;
 
 // TODO: much of this can be shared code w/ the fixed case
 
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/sep/IntIndexInput.java b/lucene/core/src/java/org/apache/lucene/codecs/sep/IntIndexInput.java
index 4b01d80d052..93640e0bfec 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/sep/IntIndexInput.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/sep/IntIndexInput.java
@@ -21,7 +21,6 @@ import java.io.Closeable;
 import java.io.IOException;
 
 import org.apache.lucene.store.DataInput;
-import org.apache.lucene.util.IntsRef;
 
 /** Defines basic API for writing ints to an IndexOutput.
  *  IntBlockCodec interacts with this API. @see