diff --git a/jOOQ-test/src/org/jooq/test/jOOQFirebirdTest.java b/jOOQ-test/src/org/jooq/test/jOOQFirebirdTest.java
index ffa2d4a021..721da6d0a8 100644
--- a/jOOQ-test/src/org/jooq/test/jOOQFirebirdTest.java
+++ b/jOOQ-test/src/org/jooq/test/jOOQFirebirdTest.java
@@ -701,34 +701,24 @@ public class jOOQFirebirdTest extends jOOQAbstractTest<
     protected DataType<?>[] getCastableDataTypes() {
         return new DataType<?>[] {
             FirebirdDataType.BIGINT,
-            FirebirdDataType.BINARY,
-            FirebirdDataType.BINARYLARGEOBJECT,
             FirebirdDataType.BIT,
             FirebirdDataType.BOOLEAN,
             FirebirdDataType.CHAR,
             FirebirdDataType.CHARACTER,
-            FirebirdDataType.CHARACTERLARGEOBJECT,
             FirebirdDataType.CHARACTERVARYING,
-            FirebirdDataType.CHARLARGEOBJECT,
             FirebirdDataType.DATE,
-            FirebirdDataType.DATETIME,
             FirebirdDataType.DECIMAL,
-            FirebirdDataType.DOUBLE,
             FirebirdDataType.DOUBLEPRECISION,
             FirebirdDataType.FLOAT,
             FirebirdDataType.INT,
             FirebirdDataType.INTEGER,
-            FirebirdDataType.LONGVARBINARY,
-            FirebirdDataType.LONGVARCHAR,
             FirebirdDataType.NUMERIC,
             FirebirdDataType.OBJECT,
             FirebirdDataType.OTHER,
-            FirebirdDataType.REAL,
             FirebirdDataType.SMALLINT,
             FirebirdDataType.TIME,
             FirebirdDataType.TIMESTAMP,
             FirebirdDataType.TINYINT,
-            FirebirdDataType.VARBINARY,
             FirebirdDataType.VARCHAR,
             FirebirdDataType.VARCHARIGNORECASE,
         };