diff --git a/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/TableDdl.java b/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/TableDdl.java
index 3ea2eacad..1ef34384b 100644
--- a/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/TableDdl.java
+++ b/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/TableDdl.java
@@ -77,7 +77,6 @@ public interface TableDdl {
 
   /**
    * Writes alter foreign key statements.
-   * @throws IOException
    */
   void generate(DdlWrite writer, AlterForeignKey alterForeignKey) throws IOException;
 
diff --git a/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdl.java b/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdl.java
index abe8dfbbd..459531eea 100644
--- a/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdl.java
+++ b/src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdl.java
@@ -663,9 +663,7 @@ public class BaseTableDdl implements TableDdl {
   @Override
   public void generate(DdlWrite writer, AlterForeignKey alterForeignKey) throws IOException {
     if (DdlHelp.isDropForeignKey(alterForeignKey.getColumnNames())) {
-
-      String ddl = platformDdl.alterTableDropForeignKey(alterForeignKey.getTableName(),
-          alterForeignKey.getName());
+      String ddl = platformDdl.alterTableDropForeignKey(alterForeignKey.getTableName(), alterForeignKey.getName());
       if (hasValue(ddl)) {
         writer.apply().append(ddl).endOfStatement();
       }
diff --git a/src/main/java/io/ebeaninternal/dbmigration/migration/ObjectFactory.java b/src/main/java/io/ebeaninternal/dbmigration/migration/ObjectFactory.java
index 7687edf4f..472d67261 100644
--- a/src/main/java/io/ebeaninternal/dbmigration/migration/ObjectFactory.java
+++ b/src/main/java/io/ebeaninternal/dbmigration/migration/ObjectFactory.java
@@ -195,9 +195,9 @@ public class ObjectFactory {
   }
 
   /**
-   * Create an instance of {@link CompoundUniqueConstraint }
+   * Create an instance of {@link AddUniqueConstraint }
    */
-  public AddUniqueConstraint createCompoundUniqueConstraint() {
+  public AddUniqueConstraint createAddUniqueConstraint() {
     return new AddUniqueConstraint();
   }
 
diff --git a/src/main/java/io/ebeaninternal/dbmigration/model/MTable.java b/src/main/java/io/ebeaninternal/dbmigration/model/MTable.java
index a78d6fd53..cf5c64aff 100644
--- a/src/main/java/io/ebeaninternal/dbmigration/model/MTable.java
+++ b/src/main/java/io/ebeaninternal/dbmigration/model/MTable.java
@@ -169,8 +169,7 @@ public class MTable {
     }
     List<UniqueConstraint> uqConstraints = createTable.getUniqueConstraint();
     for (UniqueConstraint uq : uqConstraints) {
-      MCompoundUniqueConstraint mUq = new MCompoundUniqueConstraint(
-          SplitColumns.split(uq.getColumnNames()), uq.isOneToOne(), uq.getName());
+      MCompoundUniqueConstraint mUq = new MCompoundUniqueConstraint(SplitColumns.split(uq.getColumnNames()), uq.isOneToOne(), uq.getName());
       mUq.setNullableColumns(SplitColumns.split(uq.getNullableColumns()));
       uniqueConstraints.add(mUq);
     }
@@ -185,8 +184,7 @@ public class MTable {
   }
 
 
-  public void addForeignKey(String name, String refTableName, String indexName, String columnNames,
-      String refColumnNames) {
+  public void addForeignKey(String name, String refTableName, String indexName, String columnNames, String refColumnNames) {
     MCompoundForeignKey foreignKey = new MCompoundForeignKey(name, refTableName, indexName);
     String[] cols = SplitColumns.split(columnNames);
     String[] refCols = SplitColumns.split(refColumnNames);
@@ -194,7 +192,6 @@ public class MTable {
       foreignKey.addColumnPair(cols[i], refCols[i]);
     }
     addForeignKey(foreignKey);
-
   }
 
   /**