diff --git a/platform/vcs-api/src/com/intellij/util/continuation/ContinuationContext.java b/platform/vcs-api/src/com/intellij/util/continuation/ContinuationContext.java
deleted file mode 100644
index bd18428d3fff..000000000000
--- a/platform/vcs-api/src/com/intellij/util/continuation/ContinuationContext.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright 2000-2010 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-import com.intellij.util.Consumer;
-import org.jetbrains.annotations.CalledInAny;
-
-import java.util.List;
-
-public interface ContinuationContext {
-  void suspend();
-
-  void ping();
-
-  @CalledInAny
-  void next(TaskDescriptor... next);
-
-  @CalledInAny
-  void next(List<TaskDescriptor> next);
-
-  @CalledInAny
-  void cancelEverything();
-
-  <T extends Exception> void addExceptionHandler(final Class<T> clazz, final Consumer<T> consumer);
-
-  boolean handleException(final Exception e, boolean cancelEveryThing);
-}
diff --git a/platform/vcs-api/src/com/intellij/util/continuation/TaskData.java b/platform/vcs-api/src/com/intellij/util/continuation/TaskData.java
deleted file mode 100644
index f19d7fb19daf..000000000000
--- a/platform/vcs-api/src/com/intellij/util/continuation/TaskData.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright 2000-2010 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-import org.jetbrains.annotations.NotNull;
-
-public class TaskData {
-  private final String myName;
-  @NotNull
-  private final Where myWhere;
-
-  public TaskData(String name, @NotNull Where where) {
-    myName = name;
-    myWhere = where;
-  }
-
-  public String getName() {
-    return myName;
-  }
-
-  @NotNull
-  public Where getWhere() {
-    return myWhere;
-  }
-}
diff --git a/platform/vcs-api/src/com/intellij/util/continuation/TaskDescriptor.java b/platform/vcs-api/src/com/intellij/util/continuation/TaskDescriptor.java
deleted file mode 100644
index 73db0a79d07d..000000000000
--- a/platform/vcs-api/src/com/intellij/util/continuation/TaskDescriptor.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright 2000-2010 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-import com.intellij.openapi.progress.ProcessCanceledException;
-import com.intellij.openapi.progress.ProgressIndicator;
-import com.intellij.openapi.progress.ProgressManager;
-import com.intellij.openapi.progress.Task;
-import org.jetbrains.annotations.NotNull;
-
-public abstract class TaskDescriptor {
-  private final String myName;
-  @NotNull private final Where myWhere;
-
-  public TaskDescriptor(final String name, @NotNull final Where where) {
-    myName = name;
-    myWhere = where;
-  }
-
-  public abstract void run(final ContinuationContext context);
-
-  public String getName() {
-    return myName;
-  }
-
-  @NotNull
-  public Where getWhere() {
-    return myWhere;
-  }
-
-  public boolean isHaveMagicCure() {
-    return false;
-  }
-
-  public void canceled() {
-  }
-
-  public static TaskDescriptor createForBackgroundableTask(@NotNull final Task.Backgroundable backgroundable) {
-    return new TaskDescriptor(backgroundable.getTitle(), Where.POOLED) {
-      @Override
-      public void run(ContinuationContext context) {
-        final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
-        try {
-          backgroundable.run(indicator);
-        } catch (ProcessCanceledException e) {
-          //
-        }
-        final boolean canceled = indicator.isCanceled();
-        context.next(new TaskDescriptor("", Where.AWT) {
-          @Override
-          public void run(ContinuationContext context) {
-            if (canceled) {
-              backgroundable.onCancel();
-            } else {
-              backgroundable.onSuccess();
-            }
-          }
-        });
-      }
-    };
-  }
-}
diff --git a/platform/vcs-api/src/com/intellij/util/continuation/Where.java b/platform/vcs-api/src/com/intellij/util/continuation/Where.java
deleted file mode 100644
index 778966506034..000000000000
--- a/platform/vcs-api/src/com/intellij/util/continuation/Where.java
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright 2000-2010 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-public enum Where {
-  AWT,
-  POOLED
-}
diff --git a/platform/vcs-impl/src/com/intellij/util/continuation/GeneralRunner.java b/platform/vcs-impl/src/com/intellij/util/continuation/GeneralRunner.java
deleted file mode 100644
index 9dd6e3a8f7c6..000000000000
--- a/platform/vcs-impl/src/com/intellij/util/continuation/GeneralRunner.java
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright 2000-2012 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-import com.intellij.openapi.progress.ProgressIndicator;
-import com.intellij.openapi.project.Project;
-import com.intellij.util.Consumer;
-import org.jetbrains.annotations.CalledInAny;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.*;
-
-abstract class GeneralRunner implements ContinuationContext {
-  protected final Project myProject;
-  protected final boolean myCancellable;
-  protected final List<TaskDescriptor> myQueue;
-  protected final Object myQueueLock;
-  private boolean myTriggerSuspend;
-  private ProgressIndicator myIndicator;
-  private final Map<Class<? extends Exception>, Consumer<Exception>> myHandlersMap;
-
-  GeneralRunner(final Project project, boolean cancellable) {
-    myProject = project;
-    myCancellable = cancellable;
-    myQueueLock = new Object();
-    myQueue = new LinkedList<>();
-    myHandlersMap = new HashMap<>();
-    myTriggerSuspend = false;
-  }
-
-  public <T extends Exception> void addExceptionHandler(final Class<T> clazz, final Consumer<T> consumer) {
-    synchronized (myQueueLock) {
-      myHandlersMap.put(clazz, e -> {
-        if (!clazz.isAssignableFrom(e.getClass())) {
-          throw new RuntimeException(e);
-        }
-        //noinspection unchecked
-        consumer.consume((T)e);
-      });
-    }
-  }
-
-  protected void setIndicator(final ProgressIndicator indicator) {
-    synchronized (myQueueLock) {
-      myIndicator = indicator;
-    }
-  }
-
-  @Override
-  public boolean handleException(Exception e, boolean cancelEveryThing) {
-    synchronized (myQueueLock) {
-      try {
-        final Class<? extends Exception> aClass = e.getClass();
-        Consumer<Exception> consumer = myHandlersMap.get(e.getClass());
-        if (consumer != null) {
-          consumer.consume(e);
-          return true;
-        }
-        for (Map.Entry<Class<? extends Exception>, Consumer<Exception>> entry : myHandlersMap.entrySet()) {
-          if (entry.getKey().isAssignableFrom(aClass)) {
-            entry.getValue().consume(e);
-            return true;
-          }
-        }
-      } finally {
-        if (cancelEveryThing) {
-          cancelEverything();
-        }
-      }
-    }
-    return false;
-  }
-
-  @CalledInAny
-  public void cancelEverything() {
-    synchronized (myQueueLock) {
-      myQueue.forEach(TaskDescriptor::canceled);
-      myQueue.clear();
-      myIndicator = null;
-    }
-  }
-
-  public void suspend() {
-    synchronized (myQueueLock) {
-      myTriggerSuspend = true;
-    }
-  }
-
-  protected boolean getSuspendFlag() {
-    synchronized (myQueueLock) {
-      return myTriggerSuspend;
-    }
-  }
-
-  protected void clearSuspend() {
-    synchronized (myQueueLock) {
-      myTriggerSuspend = false;
-    }
-  }
-
-  @CalledInAny
-  public void next(TaskDescriptor... next) {
-    synchronized (myQueueLock) {
-      myQueue.addAll(0, Arrays.asList(next));
-    }
-  }
-
-  public void next(List<TaskDescriptor> next) {
-    synchronized (myQueueLock) {
-      myQueue.addAll(0, next);
-    }
-  }
-
-  public abstract void ping();
-
-  // null - no more tasks
-  @Nullable
-  protected TaskDescriptor getNextMatching() {
-    while (true) {
-      synchronized (myQueueLock) {
-        if (myQueue.isEmpty()) return null;
-        TaskDescriptor current = myQueue.remove(0);
-        if (current.isHaveMagicCure() || myIndicator == null || !myIndicator.isCanceled()) {
-          return current;
-        }
-      }
-    }
-  }
-
-  public ProgressIndicator getIndicator() {
-    synchronized (myQueueLock) {
-      return myIndicator;
-    }
-  }
-}
diff --git a/platform/vcs-impl/src/com/intellij/util/continuation/SeparatePiecesRunner.java b/platform/vcs-impl/src/com/intellij/util/continuation/SeparatePiecesRunner.java
deleted file mode 100644
index 29c5c2fed9f5..000000000000
--- a/platform/vcs-impl/src/com/intellij/util/continuation/SeparatePiecesRunner.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright 2000-2011 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.util.continuation;
-
-import com.intellij.openapi.progress.EmptyProgressIndicator;
-import com.intellij.openapi.progress.ProgressIndicator;
-import com.intellij.openapi.progress.ProgressManager;
-import com.intellij.openapi.progress.impl.BackgroundableProcessIndicator;
-import com.intellij.openapi.project.Project;
-import com.intellij.util.ui.UIUtil;
-import org.jetbrains.annotations.CalledInAwt;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.concurrent.atomic.AtomicReference;
-
-import static com.intellij.openapi.application.ApplicationManager.getApplication;
-
-public class SeparatePiecesRunner extends GeneralRunner {
-  private final AtomicReference<TaskWrapper> myCurrentWrapper;
-
-  public SeparatePiecesRunner(Project project, boolean cancellable) {
-    super(project, cancellable);
-    myCurrentWrapper = new AtomicReference<>();
-  }
-
-  @CalledInAwt
-  public void ping() {
-    clearSuspend();
-    UIUtil.invokeLaterIfNeeded(this::pingImpl);
-  }
-
-  @CalledInAwt
-  private void pingImpl() {
-    while (true) {
-      myCurrentWrapper.set(null);
-      // stop if project is being disposed
-      if (!myProject.isDefault() && !myProject.isOpen()) return;
-      if (getSuspendFlag()) return;
-      final TaskDescriptor current = getNextMatching();
-      if (current == null) {
-        return;
-      }
-
-      if (Where.AWT.equals(current.getWhere())) {
-        setIndicator(null);
-        try {
-          current.run(this);
-        }
-        catch (RuntimeException th) {
-          handleException(th, true);
-        }
-      }
-      else {
-        final TaskWrapper task = new TaskWrapper(myProject, current.getName(), myCancellable, current);
-        myCurrentWrapper.set(task);
-        setIndicator(getApplication().isUnitTestMode() ? new EmptyProgressIndicator() : new BackgroundableProcessIndicator(task));
-        ProgressManager.getInstance().runProcessWithProgressAsynchronously(task, getIndicator());
-        return;
-      }
-    }
-  }
-
-  @Override
-  public void suspend() {
-    super.suspend();
-    final TaskWrapper wrapper = myCurrentWrapper.get();
-    if (wrapper != null){
-      wrapper.mySuspended = true;
-    }
-  }
-
-  class TaskWrapper extends ModalityIgnorantBackgroundableTask {
-    private final TaskDescriptor myTaskDescriptor;
-    private volatile boolean mySuspended;
-
-    TaskWrapper(@Nullable Project project,
-                       @NotNull String title,
-                       boolean canBeCancelled,
-                       TaskDescriptor taskDescriptor) {
-      super(project, title, canBeCancelled);
-      myTaskDescriptor = taskDescriptor;
-      mySuspended = false;
-    }
-
-    @Override
-    protected void doInAwtIfFail(Exception e) {
-      doInAwtIfCancel();
-    }
-
-    @Override
-    protected void doInAwtIfCancel() {
-      onCancel();
-    }
-
-    @Override
-    protected void doInAwtIfSuccess() {
-      if (! mySuspended) {
-        ping();
-      }
-    }
-
-    @Override
-    protected void runImpl(@NotNull ProgressIndicator indicator) {
-      myTaskDescriptor.run(SeparatePiecesRunner.this);
-    }
-  }
-}