diff --git a/nx01-jpp0-kaas/src/main/java/ᒢᣘᐧᐧ/ᑊᑉᣔᣔᔆ/ᐤᑊᐣᓫᓑᣗ/KaasOdeurNumeralLego.java b/nx01-jpp0-kaas/src/main/java/ᒢᣘᐧᐧ/ᑊᑉᣔᣔᔆ/ᐤᑊᐣᓫᓑᣗ/KaasOdeurNumeralLego.java
index 0e90720..9a8390c 100644
--- a/nx01-jpp0-kaas/src/main/java/ᒢᣘᐧᐧ/ᑊᑉᣔᣔᔆ/ᐤᑊᐣᓫᓑᣗ/KaasOdeurNumeralLego.java
+++ b/nx01-jpp0-kaas/src/main/java/ᒢᣘᐧᐧ/ᑊᑉᣔᣔᔆ/ᐤᑊᐣᓫᓑᣗ/KaasOdeurNumeralLego.java
@@ -29,7 +29,6 @@ package ᒢᣘᐧᐧ.ᑊᑉᣔᣔᔆ.ᐤᑊᐣᓫᓑᣗ;
 
 import ᒢᣘᐧᐧ.ᑊᑉᣔᣔᔆ.KaasTBoneConstructor;
 import ᒢᣘᐧᐧ.ᑊᑉᣔᣔᔆ.ᐤᑊᐣᓫᓑᣗ.ᣕᓑᔿᒃᓫᣗ.KaasOdeurNumberRoot1D;
-import ᒢᣘᐧᐧ.ᑊᑉᣔᣔᔆ.ᐤᑊᐣᓫᓑᣗ.ᣕᓑᔿᒃᓫᣗ.KaasOdeurNumberRange1DDown;
 import ᒢᣘᐧᐧ.ᑊᑉᣔᣔᔆ.ᐤᑊᐣᓫᓑᣗ.ᣕᓑᔿᒃᓫᣗ.KaasOdeurNumberRange1DUp;
 
 /// Cheese odeur numeral lego.
@@ -40,6 +39,5 @@ public interface KaasOdeurNumeralLego<T extends KaasOdeurNumeralLego<T, N>, N> e
 		KaasTBoneConstructor<T, N>,
 		KaasOdeurNumeral<T, N>,
 		KaasOdeurNumberRoot1D<T, N>,
-		KaasOdeurNumberRange1DUp<T, N>,
-		KaasOdeurNumberRange1DDown<T, N> {
+		KaasOdeurNumberRange1DUp<T, N> {
 }