diff --git a/src/micropolisj/engine/Sprite.java b/src/micropolisj/engine/Sprite.java
index 430657a..0d69aef 100644
--- a/src/micropolisj/engine/Sprite.java
+++ b/src/micropolisj/engine/Sprite.java
@@ -180,7 +180,7 @@ public abstract class Sprite
 
 		int t = city.getTile(xpos, ypos);
 		if (isOverWater(t)) {
-			if (isRoad(t)) {
+			if (isRoadAny(t)) {
 				// becomes water
 				city.setTile(xpos, ypos, RIVER);
 			}
diff --git a/src/micropolisj/engine/TileConstants.java b/src/micropolisj/engine/TileConstants.java
index 2ab3683..7f5248a 100644
--- a/src/micropolisj/engine/TileConstants.java
+++ b/src/micropolisj/engine/TileConstants.java
@@ -384,17 +384,6 @@ public class TileConstants
 		return (tile == DIRT || (isDozeable(tile) && isCombustible(tile)));
 	}
 
-	/**
-	 * Note: does not include rail/road tiles.
-	 * @see #isRoadAny
-	 */
-	public static boolean isRoad(int tile)
-	{
-		assert (tile & LOMASK) == tile;
-
-		return (tile >= ROADBASE && tile < POWERBASE);
-	}
-
 	public static boolean isRoadAny(int tile)
 	{
 		assert (tile & LOMASK) == tile;
@@ -458,13 +447,6 @@ public class TileConstants
 			(tile != VBRIDGE));
 	}
 
-	public static boolean isRail(int tile)
-	{
-		assert (tile & LOMASK) == tile;
-
-		return (tile >= RAILBASE && tile < RESBASE);
-	}
-
 	public static boolean isRailAny(int tile)
 	{
 		assert (tile & LOMASK) == tile;