diff --git a/jOOQ/src/main/java/org/jooq/impl/AbstractQueryPart.java b/jOOQ/src/main/java/org/jooq/impl/AbstractQueryPart.java
index dde31dae8e..a3098296a6 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AbstractQueryPart.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AbstractQueryPart.java
@@ -40,8 +40,6 @@ import static org.jooq.conf.SettingsTools.executePreparedStatements;
 
 import java.sql.SQLException;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -54,7 +52,6 @@ import org.jooq.Query;
 import org.jooq.QueryPart;
 import org.jooq.QueryPartInternal;
 import org.jooq.SQLDialect;
-import org.jooq.Store;
 import org.jooq.exception.DataAccessException;
 import org.jooq.exception.SQLDialectNotSupportedException;
 
@@ -227,37 +224,6 @@ abstract class AbstractQueryPart implements QueryPartInternal, AttachableInterna
     // Internal convenience methods
     // -------------------------------------------------------------------------
 
-    /**
-     * Internal convenience method
-     */
-    protected final List<Attachable> getAttachables(Collection<? extends QueryPart> list) {
-        List<Attachable> result = new ArrayList<Attachable>();
-
-        for (QueryPart item : list) {
-            if (item != null) {
-                result.add(item);
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * Internal convenience method
-     */
-    protected final List<Attachable> getAttachables(QueryPart... list) {
-        return getAttachables(Arrays.asList(list));
-    }
-
-    /**
-     * Internal convenience method
-     */
-    protected final List<Attachable> getAttachables(Store<?> store) {
-        return store == null
-            ? Collections.<Attachable> emptyList()
-            : store.internalAPI(AttachableInternal.class).getAttachables();
-    }
-
     @Override
     public List<Attachable> getAttachables() {
         return Collections.emptyList();
diff --git a/jOOQ/src/main/java/org/jooq/impl/Util.java b/jOOQ/src/main/java/org/jooq/impl/Util.java
index 0e97a5952f..4d43efe9df 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Util.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Util.java
@@ -61,8 +61,6 @@ import javax.persistence.Column;
 import javax.persistence.Entity;
 
 import org.jooq.ArrayRecord;
-import org.jooq.Attachable;
-import org.jooq.AttachableInternal;
 import org.jooq.Configuration;
 import org.jooq.Cursor;
 import org.jooq.DataType;
@@ -73,7 +71,6 @@ import org.jooq.FieldProvider;
 import org.jooq.NamedQueryPart;
 import org.jooq.Param;
 import org.jooq.QueryPart;
-import org.jooq.QueryPartInternal;
 import org.jooq.Record;
 import org.jooq.RenderContext;
 import org.jooq.Schema;
@@ -977,20 +974,6 @@ final class Util {
         }
     }
 
-    /**
-     * Expose the internal API of an {@link Attachable}
-     */
-    static final AttachableInternal internal(Attachable part) {
-        return part.internalAPI(AttachableInternal.class);
-    }
-
-    /**
-     * Expose the internal API of a {@link QueryPart}
-     */
-    static final QueryPartInternal internal(QueryPart part) {
-        return part.internalAPI(QueryPartInternal.class);
-    }
-
     /**
      * Return a non-negative hash code for a {@link QueryPart}, taking into
      * account FindBugs' <code>RV_ABSOLUTE_VALUE_OF_HASHCODE</code> pattern