diff --git a/platform/platform-api/src/com/intellij/openapi/fileChooser/FileTypeDescriptor.java b/platform/platform-api/src/com/intellij/openapi/fileChooser/FileTypeDescriptor.java
index 90568cae6795..cc9d1ce81407 100644
--- a/platform/platform-api/src/com/intellij/openapi/fileChooser/FileTypeDescriptor.java
+++ b/platform/platform-api/src/com/intellij/openapi/fileChooser/FileTypeDescriptor.java
@@ -18,16 +18,17 @@ package com.intellij.openapi.fileChooser;
 import com.intellij.openapi.util.NlsContexts;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.util.containers.ContainerUtil;
-import com.intellij.util.containers.ImmutableList;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
+
 /**
  * @author Konstantin Bulenkov
  */
 public class FileTypeDescriptor extends FileChooserDescriptor {
 
-  private final ImmutableList<String> myExtensions;
+  private final List<String> myExtensions;
 
   public FileTypeDescriptor(@NlsContexts.DialogTitle String title, String @NotNull ... extensions) {
     super(true, false, false, true, false, false);
diff --git a/plugins/IntentionPowerPak/src/com/siyeh/ipp/integer/JavaNumberConversionIntention.java b/plugins/IntentionPowerPak/src/com/siyeh/ipp/integer/JavaNumberConversionIntention.java
index 21c464478d6f..3662c8964c29 100644
--- a/plugins/IntentionPowerPak/src/com/siyeh/ipp/integer/JavaNumberConversionIntention.java
+++ b/plugins/IntentionPowerPak/src/com/siyeh/ipp/integer/JavaNumberConversionIntention.java
@@ -7,7 +7,6 @@ import com.intellij.pom.java.LanguageLevel;
 import com.intellij.psi.*;
 import com.intellij.psi.util.PsiUtil;
 import com.intellij.util.ObjectUtils;
-import com.intellij.util.containers.ImmutableList;
 import com.siyeh.ig.psiutils.CommentTracker;
 import com.siyeh.ig.psiutils.ExpressionUtils;
 import com.siyeh.ig.psiutils.JavaPsiMathUtil;
@@ -25,11 +24,11 @@ import static com.siyeh.ipp.integer.JavaNumberConverters.*;
 public class JavaNumberConversionIntention extends AbstractNumberConversionIntention {
 
   private static class Holder {
-    static final ImmutableList<NumberConverter> JAVA_1_CONVERTERS = immutableList(
+    static final List<NumberConverter> JAVA_1_CONVERTERS = immutableList(
       INTEGER_TO_DECIMAL, INTEGER_TO_HEX, INTEGER_TO_OCTAL, FLOAT_TO_DECIMAL, FLOAT_TO_PLAIN, FLOAT_TO_SCIENTIFIC);
-    static final ImmutableList<NumberConverter> JAVA_5_CONVERTERS = immutableList(
+    static final List<NumberConverter> JAVA_5_CONVERTERS = immutableList(
       INTEGER_TO_DECIMAL, INTEGER_TO_HEX, INTEGER_TO_OCTAL, FLOAT_TO_DECIMAL, FLOAT_TO_PLAIN, FLOAT_TO_SCIENTIFIC, FLOAT_TO_HEX);
-    static final ImmutableList<NumberConverter> JAVA_7_CONVERTERS = immutableList(
+    static final List<NumberConverter> JAVA_7_CONVERTERS = immutableList(
       INTEGER_TO_DECIMAL, INTEGER_TO_HEX, INTEGER_TO_BINARY, INTEGER_TO_OCTAL,
       FLOAT_TO_DECIMAL, FLOAT_TO_PLAIN, FLOAT_TO_SCIENTIFIC, FLOAT_TO_HEX);
   }