diff --git a/uast/uast-common/src/org/jetbrains/uast/baseElements/UElement.kt b/uast/uast-common/src/org/jetbrains/uast/baseElements/UElement.kt
index 0837c939189b..6c4a91bad15f 100644
--- a/uast/uast-common/src/org/jetbrains/uast/baseElements/UElement.kt
+++ b/uast/uast-common/src/org/jetbrains/uast/baseElements/UElement.kt
@@ -32,9 +32,29 @@ interface UElement {
   /**
    * Returns the PSI element underlying this element. Note that some UElements are synthetic and do not have
    * an underlying PSI element; this doesn't mean that they are invalid.
+   *
+   * **Node for implementors**: please implement both [sourcePsi] and [javaPsi] fields or make them return `null` explicitly
+   * if implementing is not possible. Redirect `psi` to one of them keeping existing behavior, use [sourcePsi] if nothing else is specified.
    */
+  @Deprecated("ambiguous psi element, use `sourcePsi` or `javaPsi`", ReplaceWith("javaPsi"))
   val psi: PsiElement?
 
+
+  /**
+   * Returns the PSI element in original (physical) tree to which this UElement corresponds.
+   * **Note**: that some UElements are synthetic and do not have an underlying PSI element;
+   * this doesn't mean that they are invalid.
+   */
+  val sourcePsi: PsiElement?
+    get() = psi
+
+  /**
+   * Returns the element which try to mimic Java-api psi element: [com.intellij.psi.PsiClass], [com.intellij.psi.PsiMethod] or [com.intellij.psi.PsiAnnotation] etc.
+   * Will return null if this UElement doesn't have Java representation or it is not implemented.
+   */
+  val javaPsi: PsiElement?
+    get() = psi
+
   /**
    * Returns true if this element is valid, false otherwise.
    */
@@ -102,38 +122,8 @@ interface UElement {
   fun <D, R> accept(visitor: UastTypedVisitor<D, R>, data: D): R = visitor.visitElement(this, data)
 }
 
-/**
- * This is transitional type, all its content will be moved to `UElement` as soon as all implementations will implement it,
- * and someday this interface will be dropped.
- */
-@ApiStatus.Experimental
-interface JvmDeclarationUElement : UElement {
-
-  /**
-   * Returns the PSI element in original (physical) tree to which this UElement corresponds.
-   * **Note**: that some UElements are synthetic and do not have an underlying PSI element;
-   * this doesn't mean that they are invalid.
-   */
-  val sourcePsi: PsiElement?
-    get() = psi
-
-  /**
-   * Returns the element which try to mimic Java-api psi element: [com.intellij.psi.PsiClass], [com.intellij.psi.PsiMethod] or [com.intellij.psi.PsiAnnotation] etc.
-   * Will return null if this UElement doesn't have Java representation or it is not implemented.
-   */
-  val javaPsi: PsiElement?
-    get() = psi
-
-  /**
-   * Returns the PSI element underlying this element. Note that some UElements are synthetic and do not have
-   * an underlying PSI element; this doesn't mean that they are invalid.
-   *
-   * **Node for implementors**: please implement both [sourcePsi] and [javaPsi] fields or make them return `null` explicitly
-   * if implementing is not possible. Redirect `psi` to one of them keeping existing behavior, use [sourcePsi] if nothing else is specified.
-   */
-  @Deprecated("ambiguous psi element, use `sourcePsi` or `javaPsi`", ReplaceWith("javaPsi"))
-  override val psi: PsiElement?
-}
+@Deprecated("No use anymore, all declarations were moved to UElement. To be removed in 2018.2")
+interface JvmDeclarationUElement : UElement
 
 /**
  * Experimental API
diff --git a/uast/uast-java/src/org/jetbrains/uast/java/JavaAbstractUElement.kt b/uast/uast-java/src/org/jetbrains/uast/java/JavaAbstractUElement.kt
index 620d50e08f86..6a743ad346ea 100644
--- a/uast/uast-java/src/org/jetbrains/uast/java/JavaAbstractUElement.kt
+++ b/uast/uast-java/src/org/jetbrains/uast/java/JavaAbstractUElement.kt
@@ -60,9 +60,9 @@ abstract class JavaAbstractUElement(givenParent: UElement?) : JavaUElementWithCo
   override val comments: List<UComment>
     get() = super<JavaUElementWithComments>.comments
   override val sourcePsi: PsiElement?
-    get() = super.sourcePsi
+    get() = super<JavaUElementWithComments>.sourcePsi
   override val javaPsi: PsiElement?
-    get() = super.javaPsi
+    get() = super<JavaUElementWithComments>.javaPsi
 
 }