diff --git a/v2/spanner-common/src/main/java/com/google/cloud/teleport/v2/spanner/migrations/metadata/CassandraSourceMetadata.java b/v2/spanner-common/src/main/java/com/google/cloud/teleport/v2/spanner/migrations/metadata/CassandraSourceMetadata.java
index 3a29a19a3f..3b59568302 100644
--- a/v2/spanner-common/src/main/java/com/google/cloud/teleport/v2/spanner/migrations/metadata/CassandraSourceMetadata.java
+++ b/v2/spanner-common/src/main/java/com/google/cloud/teleport/v2/spanner/migrations/metadata/CassandraSourceMetadata.java
@@ -89,7 +89,7 @@ public static Schema generateSourceSchema(Schema schema, ResultSet resultSet) {
    * @param sourceSchema The SourceSchema to convert.
    * @return A map where the key is the table name and the value is the corresponding SourceTable.
    */
-  public static Map<String, com.google.cloud.teleport.v2.spanner.migrations.schema.SourceTable>
+  private static Map<String, com.google.cloud.teleport.v2.spanner.migrations.schema.SourceTable>
       convertSourceSchemaToMap(SourceSchema sourceSchema) {
     return sourceSchema.tables().entrySet().stream()
         .collect(