diff --git a/platform/platform-api/src/org/jetbrains/concurrency/DonePromise.java b/platform/platform-api/src/org/jetbrains/concurrency/DonePromise.java
index 599bc44b54c3..ebcefdae4dd3 100644
--- a/platform/platform-api/src/org/jetbrains/concurrency/DonePromise.java
+++ b/platform/platform-api/src/org/jetbrains/concurrency/DonePromise.java
@@ -30,7 +30,7 @@ class DonePromise<T> extends Promise<T> implements Getter<T> {
   @NotNull
   @Override
   public Promise<T> done(@NotNull Consumer<? super T> done) {
-    if (!AsyncPromise.isObsolete(done)) {
+    if (!AsyncPromiseKt.isObsolete(done)) {
       done.consume(result);
     }
     return this;
diff --git a/platform/platform-api/src/org/jetbrains/concurrency/RejectedPromise.java b/platform/platform-api/src/org/jetbrains/concurrency/RejectedPromise.java
index c45f0c57b6e7..af8d09d0746c 100644
--- a/platform/platform-api/src/org/jetbrains/concurrency/RejectedPromise.java
+++ b/platform/platform-api/src/org/jetbrains/concurrency/RejectedPromise.java
@@ -42,7 +42,7 @@ class RejectedPromise<T> extends Promise<T> {
   @NotNull
   @Override
   public Promise<T> rejected(@NotNull Consumer<Throwable> rejected) {
-    if (!AsyncPromise.isObsolete(rejected)) {
+    if (!AsyncPromiseKt.isObsolete(rejected)) {
       rejected.consume(error);
     }
     return this;
diff --git a/platform/platform-impl/src/org/jetbrains/concurrency/promise.kt b/platform/platform-impl/src/org/jetbrains/concurrency/promise.kt
index 6219bfb59c6f..0e14060afe04 100644
--- a/platform/platform-impl/src/org/jetbrains/concurrency/promise.kt
+++ b/platform/platform-impl/src/org/jetbrains/concurrency/promise.kt
@@ -82,8 +82,6 @@ inline fun Promise<*>.rejected(node: Obsolescent, crossinline handler: (Throwabl
 
 fun <T> rejectedPromise(error: String): Promise<T> = Promise.reject(error)
 
-fun <T> rejectedPromise(error: Throwable): Promise<T> = Promise.reject(error)
-
 @Suppress("UNCHECKED_CAST")
 fun <T> rejectedPromise(): Promise<T> = rejectedPromise as Promise<T>
 
@@ -96,16 +94,6 @@ val Promise<*>.isPending: Boolean
 val Promise<*>.isFulfilled: Boolean
   get() = state == Promise.State.FULFILLED
 
-inline fun <T> AsyncPromise<*>.catchError(runnable: () -> T): T? {
-  try {
-    return runnable()
-  }
-  catch (e: Throwable) {
-    setError(e)
-    return null
-  }
-}
-
 fun <T> collectResults(promises: List<Promise<T>>): Promise<List<T>> {
   if (promises.isEmpty()) {
     return resolvedPromise(emptyList())
diff --git a/platform/script-debugger/backend/src/org/jetbrains/debugger/values/ValueManager.kt b/platform/script-debugger/backend/src/org/jetbrains/debugger/values/ValueManager.kt
index 9d41c63f939c..43a7120be001 100644
--- a/platform/script-debugger/backend/src/org/jetbrains/debugger/values/ValueManager.kt
+++ b/platform/script-debugger/backend/src/org/jetbrains/debugger/values/ValueManager.kt
@@ -15,7 +15,7 @@
  */
 package org.jetbrains.debugger.values
 
-import org.jetbrains.concurrency.AsyncPromise
+import org.jetbrains.concurrency.OBSOLETE_ERROR
 import org.jetbrains.concurrency.Obsolescent
 import org.jetbrains.concurrency.Promise
 import org.jetbrains.concurrency.rejectedPromise
@@ -45,9 +45,9 @@ abstract class ValueManager() : Obsolescent {
   }
 
   companion object {
-    val OBSOLETE_CONTEXT_PROMISE = rejectedPromise<Any?>(AsyncPromise.OBSOLETE_ERROR)
+    val OBSOLETE_CONTEXT_PROMISE = rejectedPromise<Any?>(OBSOLETE_ERROR)
 
-    @Suppress("CAST_NEVER_SUCCEEDS")
+    @Suppress("UNCHECKED_CAST")
     fun <T> reject() = OBSOLETE_CONTEXT_PROMISE as Promise<T>
   }
 }
\ No newline at end of file
diff --git a/platform/script-debugger/debugger-ui/src/util.kt b/platform/script-debugger/debugger-ui/src/util.kt
index 6bb7d71f1ad0..ab8df6a03ad7 100644
--- a/platform/script-debugger/debugger-ui/src/util.kt
+++ b/platform/script-debugger/debugger-ui/src/util.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,14 +16,14 @@
 package com.intellij.xdebugger.util
 
 import com.intellij.xdebugger.XDebugSession
-import org.jetbrains.concurrency.AsyncPromise
+import org.jetbrains.concurrency.OBSOLETE_ERROR
 import org.jetbrains.concurrency.Promise
 import org.jetbrains.rpc.LOG
 
 // have to use package "com.intellij.xdebugger.util" to avoid package clash
 fun XDebugSession.rejectedErrorReporter(description: String? = null): (Throwable) -> Unit = {
   Promise.logError(LOG, it)
-  if (it != AsyncPromise.OBSOLETE_ERROR) {
+  if (it != OBSOLETE_ERROR) {
     reportError("${if (description == null) "" else description + ": "}${it.message}")
   }
 }
\ No newline at end of file