Index: src/org/openstreetmap/josm/data/validation/tests/MultipolygonTest.java
===================================================================
--- src/org/openstreetmap/josm/data/validation/tests/MultipolygonTest.java	(revision 15130)
+++ src/org/openstreetmap/josm/data/validation/tests/MultipolygonTest.java	(working copy)
@@ -29,7 +29,6 @@
 import org.openstreetmap.josm.data.osm.WaySegment;
 import org.openstreetmap.josm.data.osm.visitor.paint.relations.Multipolygon;
 import org.openstreetmap.josm.data.osm.visitor.paint.relations.Multipolygon.PolyData;
-import org.openstreetmap.josm.data.validation.OsmValidator;
 import org.openstreetmap.josm.data.validation.Severity;
 import org.openstreetmap.josm.data.validation.Test;
 import org.openstreetmap.josm.data.validation.TestError;
@@ -36,7 +35,6 @@
 import org.openstreetmap.josm.gui.mappaint.ElemStyles;
 import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
 import org.openstreetmap.josm.gui.mappaint.styleelement.AreaElement;
-import org.openstreetmap.josm.gui.progress.ProgressMonitor;
 import org.openstreetmap.josm.tools.Geometry;
 import org.openstreetmap.josm.tools.Geometry.PolygonIntersection;
 import org.openstreetmap.josm.tools.Logging;
@@ -61,8 +59,7 @@
     public static final int OUTER_STYLE_MISMATCH = 1607;
     /** With the currently used mappaint style the style for inner way equals the multipolygon style */
     public static final int INNER_STYLE_MISMATCH = 1608;
-    /** Area style way is not closed */
-    public static final int NOT_CLOSED = 1609;
+    // no longer used: Area style way is not closed NOT_CLOSED = 1609
     /** No area style for multipolygon */
     public static final int NO_STYLE = 1610;
     /** Multipolygon relation should be tagged with area tags and not the outer way(s) */
@@ -81,8 +78,6 @@
     private static final int FOUND_INSIDE = 1;
     private static final int FOUND_OUTSIDE = 2;
 
-    private final Set<String> keysCheckedByAnotherTest = new HashSet<>();
-
     /**
      * Constructs a new {@code MultipolygonTest}.
      */
@@ -92,42 +87,6 @@
     }
 
     @Override
-    public void startTest(ProgressMonitor progressMonitor) {
-        super.startTest(progressMonitor);
-        keysCheckedByAnotherTest.clear();
-        for (Test t : OsmValidator.getEnabledTests(false)) {
-            if (t instanceof UnclosedWays) {
-                keysCheckedByAnotherTest.addAll(((UnclosedWays) t).getCheckedKeys());
-                break;
-            }
-        }
-    }
-
-    @Override
-    public void endTest() {
-        keysCheckedByAnotherTest.clear();
-        super.endTest();
-    }
-
-    @Override
-    public void visit(Way w) {
-        if (!w.isArea() && ElemStyles.hasOnlyAreaElements(w)) {
-            List<Node> nodes = w.getNodes();
-            if (nodes.isEmpty()) return; // fix zero nodes bug
-            for (String key : keysCheckedByAnotherTest) {
-                if (w.hasKey(key)) {
-                    return;
-                }
-            }
-            errors.add(TestError.builder(this, Severity.WARNING, NOT_CLOSED)
-                    .message(tr("Area style way is not closed"))
-                    .primitives(w)
-                    .highlight(Arrays.asList(nodes.get(0), nodes.get(nodes.size() - 1)))
-                    .build());
-        }
-    }
-
-    @Override
     public void visit(Relation r) {
         if (r.isMultipolygon() && r.getMembersCount() > 0) {
             List<TestError> tmpErrors = new ArrayList<>(30);
Index: src/org/openstreetmap/josm/data/validation/tests/UnclosedWays.java
===================================================================
--- src/org/openstreetmap/josm/data/validation/tests/UnclosedWays.java	(revision 15130)
+++ src/org/openstreetmap/josm/data/validation/tests/UnclosedWays.java	(working copy)
@@ -7,8 +7,10 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
+import org.openstreetmap.josm.data.osm.Node;
 import org.openstreetmap.josm.data.osm.OsmPrimitive;
 import org.openstreetmap.josm.data.osm.OsmUtils;
 import org.openstreetmap.josm.data.osm.Relation;
@@ -16,6 +18,7 @@
 import org.openstreetmap.josm.data.validation.Severity;
 import org.openstreetmap.josm.data.validation.Test;
 import org.openstreetmap.josm.data.validation.TestError;
+import org.openstreetmap.josm.gui.mappaint.ElemStyles;
 
 /**
  * Check area type ways for errors
@@ -155,6 +158,7 @@
         new UnclosedWaysCheck(1110, "area:highway", marktr("area:highway type {0}")),
         new UnclosedWaysBooleanCheck(1120, "building", marktr("building")),
         new UnclosedWaysBooleanCheck(1130, "area",     marktr("area")),
+        // 1131: Area style way is not closed
         // CHECKSTYLE.ON: SingleSpaceSeparator
     };
 
@@ -189,5 +193,15 @@
                 return;
             }
         }
+        // code 1131: other area style ways
+        if (ElemStyles.hasOnlyAreaElements(w)) {
+            List<Node> nodes = w.getNodes();
+            if (nodes.isEmpty()) return; // fix zero nodes bug
+            errors.add(TestError.builder(this, Severity.WARNING, 1131)
+                    .message(tr("Unclosed way"), marktr("Area style way is not closed"), new Object())
+                    .primitives(w)
+                    .highlight(Arrays.asList(w.firstNode(), w.lastNode()))
+                    .build());
+        }
     }
 }