diff --git a/platform/lang-impl/src/com/intellij/facet/impl/FacetModelBase.java b/platform/lang-impl/src/com/intellij/facet/impl/FacetModelBase.java
index 1cb5092bd300..efe821aa0398 100644
--- a/platform/lang-impl/src/com/intellij/facet/impl/FacetModelBase.java
+++ b/platform/lang-impl/src/com/intellij/facet/impl/FacetModelBase.java
@@ -133,5 +133,19 @@ public abstract class FacetModelBase implements FacetModel {
       myFacet = facet;
       myTypeId = id;
     }
+
+    @Override
+    public boolean equals(Object o) {
+      if (this == o) return true;
+      if (o == null || getClass() != o.getClass()) return false;
+      FacetAndType type = (FacetAndType)o;
+      return Objects.equals(myFacet, type.myFacet) &&
+             Objects.equals(myTypeId, type.myTypeId);
+    }
+
+    @Override
+    public int hashCode() {
+      return Objects.hash(myFacet, myTypeId);
+    }
   }
 }