diff --git a/platform/util/src/com/intellij/openapi/util/text/LineTokenizer.java b/platform/util/src/com/intellij/openapi/util/text/LineTokenizer.java
index 998b4a174d51..6be17426ec2c 100644
--- a/platform/util/src/com/intellij/openapi/util/text/LineTokenizer.java
+++ b/platform/util/src/com/intellij/openapi/util/text/LineTokenizer.java
@@ -36,7 +36,7 @@ public class LineTokenizer {
   }
 
   @NotNull
-  private static String[] tokenize(CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
+  public static String[] tokenize(CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
     final List<String> strings = tokenizeIntoList(chars, includeSeparators, skipLastEmptyLine);
     return strings.isEmpty() ? ArrayUtil.EMPTY_STRING_ARRAY : ArrayUtil.toStringArray(strings);
   }
diff --git a/platform/vcs-impl/src/com/intellij/diff/Block.java b/platform/vcs-impl/src/com/intellij/diff/Block.java
index f6934c7d1c53..5a5f747f0200 100644
--- a/platform/vcs-impl/src/com/intellij/diff/Block.java
+++ b/platform/vcs-impl/src/com/intellij/diff/Block.java
@@ -35,7 +35,7 @@ public class Block {
   private final int myEnd;
 
   public Block(@NotNull String source, int start, int end) {
-    this(LineTokenizer.tokenize(source.toCharArray(), false, false), start, end);
+    this(LineTokenizer.tokenize(source, false, false), start, end);
   }
 
   public Block(@NotNull String[] source, int start, int end) {
@@ -50,7 +50,7 @@ public class Block {
 
   @NotNull
   public Block createPreviousBlock(@NotNull String prevContent) {
-    return createPreviousBlock(LineTokenizer.tokenize(prevContent.toCharArray(), false, false));
+    return createPreviousBlock(LineTokenizer.tokenize(prevContent, false, false));
   }
 
   @NotNull