diff --git a/lucene/core/src/java/org/apache/lucene/util/packed/gen_BulkOperation.py b/lucene/core/src/java/org/apache/lucene/util/packed/gen_BulkOperation.py
index 5ee811c91c4..ea904a2ba1c 100644
--- a/lucene/core/src/java/org/apache/lucene/util/packed/gen_BulkOperation.py
+++ b/lucene/core/src/java/org/apache/lucene/util/packed/gen_BulkOperation.py
@@ -57,16 +57,16 @@ FOOTER="""
    * For every number of bits per value, there is a minimum number of
    * blocks (b) / values (v) you need to write in order to reach the next block
    * boundary:
-   *  - 16 bits per value -> b=2, v=1
-   *  - 24 bits per value -> b=3, v=1
-   *  - 50 bits per value -> b=25, v=4
-   *  - 63 bits per value -> b=63, v=8
+   *  - 16 bits per value -> b=2, v=1
+   *  - 24 bits per value -> b=3, v=1
+   *  - 50 bits per value -> b=25, v=4
+   *  - 63 bits per value -> b=63, v=8
    *  - ...
    *
    * A bulk read consists in copying <code>iterations*v</code> values that are
    * contained in <code>iterations*b</code> blocks into a <code>long[]</code>
    * (higher values of <code>iterations</code> are likely to yield a better
-   * throughput) => this requires n * (b + 8v) bytes of memory.
+   * throughput): this requires n * (b + 8v) bytes of memory.
    *
    * This method computes <code>iterations</code> as
    * <code>ramBudget / (b + 8v)</code> (since a long is 8 bytes).
diff --git a/lucene/core/src/java/org/apache/lucene/util/packed/gen_Direct.py b/lucene/core/src/java/org/apache/lucene/util/packed/gen_Direct.py
index 0031a5ce455..346538e41dc 100644
--- a/lucene/core/src/java/org/apache/lucene/util/packed/gen_Direct.py
+++ b/lucene/core/src/java/org/apache/lucene/util/packed/gen_Direct.py
@@ -105,16 +105,6 @@ if __name__ == '__main__':
   public void clear() {
     Arrays.fill(values, %s0L);
   }
-
-  @Override
-  public Object getArray() {
-    return values;
-  }
-
-  @Override
-  public boolean hasArray() {
-    return true;
-  }
 """ %(MASKS[bpv], CASTS[bpv], CASTS[bpv]))
 
     if bpv == 64:
diff --git a/lucene/core/src/java/org/apache/lucene/util/packed/gen_Packed64SingleBlock.py b/lucene/core/src/java/org/apache/lucene/util/packed/gen_Packed64SingleBlock.py
index 4639da6e9bd..fb70caf3f68 100644
--- a/lucene/core/src/java/org/apache/lucene/util/packed/gen_Packed64SingleBlock.py
+++ b/lucene/core/src/java/org/apache/lucene/util/packed/gen_Packed64SingleBlock.py
@@ -178,7 +178,7 @@ abstract class Packed64SingleBlock extends PackedInts.MutableImpl {
   public void fill(int fromIndex, int toIndex, long val) {
     assert fromIndex >= 0;
     assert fromIndex <= toIndex;
-    assert PackedInts.bitsRequired(val) <= bitsPerValue;
+    assert PackedInts.unsignedBitsRequired(val) <= bitsPerValue;
 
     final int valuesPerBlock = 64 / bitsPerValue;
     if (toIndex - fromIndex <= valuesPerBlock << 1) {