diff --git a/jOOQ-test/src/test/java/org/jooq/test/all/testcases/InsertUpdateTests.java b/jOOQ-test/src/test/java/org/jooq/test/all/testcases/InsertUpdateTests.java
index b9898b04ee..6da7cca6a2 100644
--- a/jOOQ-test/src/test/java/org/jooq/test/all/testcases/InsertUpdateTests.java
+++ b/jOOQ-test/src/test/java/org/jooq/test/all/testcases/InsertUpdateTests.java
@@ -248,12 +248,7 @@ extends BaseTest<A, AP, B, S, B2S, BS, L, X, DATE, BOOL, D, T, U, UU, I, IPK, T7
     }
 
     public void testInsertDefaultValue() throws Exception {
-        /* [pro] xx
-        xx xxxxxxxxxxxxxxxxxxx xx xxxxxxx x
-            xxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxx xxxxxxx
-            xxxxxxx
-        x
-        xx [/pro] */
+        assumeFamilyNotIn(FIREBIRD);
 
         jOOQAbstractTest.reset = false;
 
@@ -267,12 +262,7 @@ extends BaseTest<A, AP, B, S, B2S, BS, L, X, DATE, BOOL, D, T, U, UU, I, IPK, T7
     }
 
     public void testUpdateDefaultValue() throws Exception {
-        /* [pro] xx
-        xx xxxxxxxxxxxxxxxxxxx xx xxxxxxx x
-            xxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxx xxxxxxx
-            xxxxxxx
-        x
-        xx [/pro] */
+        assumeFamilyNotIn(FIREBIRD);
 
         jOOQAbstractTest.reset = false;
 
diff --git a/jOOQ/src/main/java/org/jooq/impl/DSL.java b/jOOQ/src/main/java/org/jooq/impl/DSL.java
index 69e1c28766..125348cf4a 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DSL.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DSL.java
@@ -5022,7 +5022,7 @@ public class DSL {
      * <code>DEFAULT</code> value. In that case, use
      * {@link #defaultValue(Class)} or {@link #defaultValue(DataType)} instead.
      */
-    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
+    @Support({ CUBRID, DERBY, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     public static Field<Object> defaultValue() {
         return defaultValue(Object.class);
     }
@@ -5031,7 +5031,7 @@ public class DSL {
      * Create a <code>DEFAULT</code> keyword for use with <code>INSERT</code>,
      * <code>UPDATE</code>, or <code>MERGE</code> statements.
      */
-    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
+    @Support({ CUBRID, DERBY, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     public static <T> Field<T> defaultValue(Class<T> type) {
         return defaultValue(getDataType(type));
     }
@@ -5040,7 +5040,7 @@ public class DSL {
      * Create a <code>DEFAULT</code> keyword for use with <code>INSERT</code>,
      * <code>UPDATE</code>, or <code>MERGE</code> statements.
      */
-    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
+    @Support({ CUBRID, DERBY, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     public static <T> Field<T> defaultValue(DataType<T> type) {
         return new SQLField<T>(type, keyword("default"));
     }