diff --git a/java/io/nayuki/qrcodegen/BitBuffer.java b/java/io/nayuki/qrcodegen/BitBuffer.java
index 2c96aef..ec89762 100644
--- a/java/io/nayuki/qrcodegen/BitBuffer.java
+++ b/java/io/nayuki/qrcodegen/BitBuffer.java
@@ -24,7 +24,6 @@
 package io.nayuki.qrcodegen;
 
 import java.util.BitSet;
-//import java.util.Objects;
 
 
 /**
diff --git a/java/io/nayuki/qrcodegen/QrCode.java b/java/io/nayuki/qrcodegen/QrCode.java
index fbe329e..3465331 100644
--- a/java/io/nayuki/qrcodegen/QrCode.java
+++ b/java/io/nayuki/qrcodegen/QrCode.java
@@ -26,7 +26,6 @@ package io.nayuki.qrcodegen;
 import java.awt.image.BufferedImage;
 import java.util.Arrays;
 import java.util.List;
-//import java.util.Objects;
 
 
 /**
diff --git a/java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java b/java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java
index 42ae55e..089d416 100644
--- a/java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java
+++ b/java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java
@@ -32,7 +32,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
-//import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.List;
 import javax.imageio.ImageIO;
diff --git a/java/io/nayuki/qrcodegen/QrCodeGeneratorWorker.java b/java/io/nayuki/qrcodegen/QrCodeGeneratorWorker.java
index dd08f59..d182b74 100644
--- a/java/io/nayuki/qrcodegen/QrCodeGeneratorWorker.java
+++ b/java/io/nayuki/qrcodegen/QrCodeGeneratorWorker.java
@@ -28,7 +28,6 @@
 
 package io.nayuki.qrcodegen;
 
-//import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Scanner;
diff --git a/java/io/nayuki/qrcodegen/QrSegment.java b/java/io/nayuki/qrcodegen/QrSegment.java
index f851ff3..e41c780 100644
--- a/java/io/nayuki/qrcodegen/QrSegment.java
+++ b/java/io/nayuki/qrcodegen/QrSegment.java
@@ -23,10 +23,8 @@
 
 package io.nayuki.qrcodegen;
 
-//import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
-//import java.util.Objects;
 import java.util.regex.Pattern;
 
 
diff --git a/java/io/nayuki/qrcodegen/QrSegmentAdvanced.java b/java/io/nayuki/qrcodegen/QrSegmentAdvanced.java
index 50e358f..066ff6b 100644
--- a/java/io/nayuki/qrcodegen/QrSegmentAdvanced.java
+++ b/java/io/nayuki/qrcodegen/QrSegmentAdvanced.java
@@ -26,12 +26,10 @@ package io.nayuki.qrcodegen;
 import static io.nayuki.qrcodegen.QrSegment.Mode.ALPHANUMERIC;
 import static io.nayuki.qrcodegen.QrSegment.Mode.BYTE;
 import static io.nayuki.qrcodegen.QrSegment.Mode.NUMERIC;
-//import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 //import java.util.Base64;
 import java.util.List;
-//import java.util.Objects;
 
 
 public final class QrSegmentAdvanced {