diff --git a/jOOQ/src/main/java/org/jooq/impl/ConvertedDataType.java b/jOOQ/src/main/java/org/jooq/impl/ConvertedDataType.java
index 9681d53fd9..11ece819da 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ConvertedDataType.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ConvertedDataType.java
@@ -47,66 +47,154 @@ import org.jooq.BindingRegisterContext;
 import org.jooq.BindingSQLContext;
 import org.jooq.BindingSetSQLOutputContext;
 import org.jooq.BindingSetStatementContext;
+import org.jooq.CharacterSet;
+import org.jooq.Collation;
 import org.jooq.Configuration;
 import org.jooq.Converter;
 import org.jooq.Converters;
 import org.jooq.DataType;
 import org.jooq.Field;
+import org.jooq.Nullability;
+import org.jooq.SQLDialect;
 
 /**
  * A <code>DataType</code> used for converted types using {@link Converter}
  *
  * @author Lukas Eder
- * @deprecated - 3.6.0 - [#3889] - Remove this type, it should not be needed any
- *             longer
  */
-@Deprecated
-final class ConvertedDataType<T, U> extends DefaultDataType<U> {
+@SuppressWarnings({ "rawtypes", "unchecked" })
+final class ConvertedDataType<T, U> extends AbstractDataType<U> {
 
     /**
      * Generated UID
      */
     private static final long           serialVersionUID = -2321926692580974126L;
 
-    private final DataType<T>           delegate;
+    private final AbstractDataType<T>   delegate;
+    private final Binding<? super T, U> binding;
 
-    @SuppressWarnings("unchecked")
     ConvertedDataType(AbstractDataType<T> delegate, Binding<? super T, U> binding) {
-        super(
-            null,
-            binding.converter().toType(),
-            binding,
-            delegate.getQualifiedName(),
-            delegate.getTypeName(),
-            delegate.getCastTypeName(),
-            delegate.precisionDefined() ? delegate.precision() : null,
-            delegate.scaleDefined() ? delegate.scale() : null,
-            delegate.lengthDefined() ? delegate.length() : null,
-            delegate.nullability(),
-            (Field<U>) delegate.defaultValue()
-        );
+        super(delegate.getQualifiedName(), delegate.getCommentPart());
 
         this.delegate = delegate;
+        this.binding = binding;
     }
 
     @Override
-    public int getSQLType() {
-        return delegate.getSQLType();
+    AbstractDataType<U> construct(
+        Integer newPrecision,
+        Integer newScale,
+        Integer newLength,
+        Nullability newNullability,
+        Collation newCollation,
+        CharacterSet newCharacterSet,
+        boolean newIdentity,
+        Field<U> newDefaultValue
+    ) {
+        return (AbstractDataType) delegate.construct(
+            newPrecision,
+            newScale,
+            newLength,
+            newNullability,
+            newCollation,
+            newCharacterSet,
+            newIdentity,
+            (Field) newDefaultValue
+        ).asConvertedDataType(binding);
     }
 
     @Override
-    public String getTypeName(Configuration configuration) {
-        return delegate.getTypeName(configuration);
+    public final DataType<U> getSQLDataType() {
+        return (DataType<U>) delegate.getSQLDataType();
     }
 
     @Override
-    public String getCastTypeName(Configuration configuration) {
-        return delegate.getCastTypeName(configuration);
+    public final DataType<U> getDataType(Configuration configuration) {
+        return (DataType<U>) delegate.getDataType(configuration);
     }
 
-    @SuppressWarnings("unchecked")
     @Override
-    public U convert(Object object) {
+    public final Binding<?, U> getBinding() {
+        return binding;
+    }
+
+    @Override
+    public final Class<U> getType() {
+        return binding.converter().toType();
+    }
+
+    @Override
+    public final SQLDialect getDialect() {
+        return delegate.getDialect();
+    }
+
+    @Override
+    public final Nullability nullability() {
+        return delegate.nullability();
+    }
+
+    @Override
+    public final Collation collation() {
+        return delegate.collation();
+    }
+
+    @Override
+    public final CharacterSet characterSet() {
+        return delegate.characterSet();
+    }
+
+    @Override
+    public final boolean identity() {
+        return delegate.identity();
+    }
+
+    @Override
+    public final Field<U> default_() {
+        return (Field<U>) delegate.default_();
+    }
+
+    @Override
+    final String typeName0() {
+        return delegate.typeName0();
+    }
+
+    @Override
+    final String castTypePrefix0() {
+        return delegate.castTypePrefix0();
+    }
+
+    @Override
+    final String castTypeSuffix0() {
+        return delegate.castTypeSuffix0();
+    }
+
+    @Override
+    final String castTypeName0() {
+        return delegate.castTypeName0();
+    }
+
+    @Override
+    final Class<?> tType0() {
+        return delegate.tType0();
+    }
+
+    @Override
+    final Integer precision0() {
+        return delegate.precision0();
+    }
+
+    @Override
+    final Integer scale0() {
+        return delegate.scale0();
+    }
+
+    @Override
+    final Integer length0() {
+        return delegate.length0();
+    }
+
+    @Override
+    public final U convert(Object object) {
         if (getConverter().toType().isInstance(object))
             return (U) object;
 
@@ -115,9 +203,8 @@ final class ConvertedDataType<T, U> extends DefaultDataType<U> {
             return ((Converter<T, U>) getConverter()).from(delegate.convert(object));
     }
 
-    @SuppressWarnings({ "unchecked", "rawtypes" })
     @Override
-    public <X> DataType<X> asConvertedDataType(Converter<? super U, X> converter) {
+    public final <X> DataType<X> asConvertedDataType(Converter<? super U, X> converter) {
         return super.asConvertedDataType(new ChainedConverterBinding(getBinding(), converter));
     }
 
@@ -183,4 +270,4 @@ final class ConvertedDataType<T, U> extends DefaultDataType<U> {
             delegate.get(ctx.convert(suffix));
         }
     }
-}
+}
\ No newline at end of file