diff --git a/flink/v1.19/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java b/flink/v1.19/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
index 5252cf61b031..773b34b6c495 100644
--- a/flink/v1.19/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
+++ b/flink/v1.19/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
@@ -192,6 +192,8 @@ static class Builder {
     private long eqDeleteRecordCount = 0L;
     private int commitCount = 0;
 
+    private Builder() {}
+
     public Builder dataFileCount(int newDataFileCount) {
       this.dataFileCount = newDataFileCount;
       return this;
diff --git a/flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java b/flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
index 5252cf61b031..773b34b6c495 100644
--- a/flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
+++ b/flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/TableChange.java
@@ -192,6 +192,8 @@ static class Builder {
     private long eqDeleteRecordCount = 0L;
     private int commitCount = 0;
 
+    private Builder() {}
+
     public Builder dataFileCount(int newDataFileCount) {
       this.dataFileCount = newDataFileCount;
       return this;