diff --git a/jOOQ/src/main/java/org/jooq/impl/ConditionAsField.java b/jOOQ/src/main/java/org/jooq/impl/ConditionAsField.java
index 4190e79b8f..703e91f2c5 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ConditionAsField.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ConditionAsField.java
@@ -39,11 +39,9 @@ package org.jooq.impl;
 
 import static org.jooq.impl.DSL.inline;
 import static org.jooq.impl.DSL.not;
-import static org.jooq.impl.SQLDataType.BOOLEAN;
 
 import org.jooq.Condition;
 import org.jooq.Context;
-import org.jooq.DataType;
 
 /**
  * @author Lukas Eder
@@ -57,11 +55,7 @@ final class ConditionAsField extends AbstractField<Boolean> {
     final Condition           condition;
 
     ConditionAsField(Condition condition) {
-        this(condition, BOOLEAN);
-    }
-
-    ConditionAsField(Condition condition, DataType<Boolean> dataType) {
-        super(DSL.name(condition.toString()), dataType);
+        super(DSL.name(condition.toString()), SQLDataType.BOOLEAN);
 
         this.condition = condition;
     }
@@ -86,9 +80,9 @@ final class ConditionAsField extends AbstractField<Boolean> {
             case FIREBIRD:
 
                 // [#3206] Correct implementation of three-valued logic is important here
-                ctx.visit(DSL.when(condition, inline(true, getDataType()))
-                             .when(not(condition), inline(false, getDataType()))
-                             .otherwise(inline((Boolean) null, getDataType())));
+                ctx.visit(DSL.when(condition, inline(true))
+                             .when(not(condition), inline(false))
+                             .otherwise(inline((Boolean) null)));
                 break;
 
             // These databases can inline predicates in column expression contexts
diff --git a/jOOQ/src/main/java/org/jooq/impl/NotField.java b/jOOQ/src/main/java/org/jooq/impl/NotField.java
index ca2e9a98e2..c030afe61d 100644
--- a/jOOQ/src/main/java/org/jooq/impl/NotField.java
+++ b/jOOQ/src/main/java/org/jooq/impl/NotField.java
@@ -42,6 +42,7 @@ import static org.jooq.Clause.CONDITION_NOT;
 import static org.jooq.impl.DSL.condition;
 import static org.jooq.impl.DSL.not;
 import static org.jooq.impl.Keywords.K_NOT;
+import static org.jooq.impl.SQLDataType.BOOLEAN;
 
 import org.jooq.Clause;
 import org.jooq.Context;
@@ -55,7 +56,7 @@ final class NotField extends AbstractField<Boolean> {
     private final Field<Boolean>  field;
 
     NotField(Field<Boolean> field) {
-        super(DSL.name("not"), field.getDataType());
+        super(DSL.name("not"), BOOLEAN);
         this.field = field;
     }
 
@@ -78,7 +79,7 @@ final class NotField extends AbstractField<Boolean> {
 
 
 
-                ctx.visit(new ConditionAsField(not(condition(field)), field.getDataType()));
+                ctx.visit(DSL.field(not(condition(field))));
                 break;