diff --git a/platform/diff-api/src/com/intellij/diff/fragments/LineFragmentImpl.java b/platform/diff-api/src/com/intellij/diff/fragments/LineFragmentImpl.java
index ae06edf5481e..4072266fe5f3 100644
--- a/platform/diff-api/src/com/intellij/diff/fragments/LineFragmentImpl.java
+++ b/platform/diff-api/src/com/intellij/diff/fragments/LineFragmentImpl.java
@@ -64,9 +64,7 @@ public class LineFragmentImpl implements LineFragment {
     myInnerFragments = dropWholeChangedFragments(innerFragments, endOffset1 - startOffset1, endOffset2 - startOffset2);
 
     if (myStartLine1 == myEndLine1 &&
-        myStartLine2 == myEndLine2 &&
-        myStartOffset1 == myEndOffset1 &&
-        myStartOffset2 == myEndOffset2) {
+        myStartLine2 == myEndLine2) {
       LOG.error("LineFragmentImpl should not be empty: " + toString());
     }
     if (myStartLine1 > myEndLine1 ||
diff --git a/platform/diff-impl/src/com/intellij/diff/tools/fragmented/ChangedBlock.java b/platform/diff-impl/src/com/intellij/diff/tools/fragmented/ChangedBlock.java
index fca102eb0313..58ffe80b86e7 100644
--- a/platform/diff-impl/src/com/intellij/diff/tools/fragmented/ChangedBlock.java
+++ b/platform/diff-impl/src/com/intellij/diff/tools/fragmented/ChangedBlock.java
@@ -46,18 +46,6 @@ class ChangedBlock {
     myLineFragment = lineFragment;
   }
 
-  @NotNull
-  public static ChangedBlock createInserted(int length, int lines) {
-    LineFragmentImpl lineFragment = new LineFragmentImpl(0, 0, 0, lines, 0, 0, 0, length);
-    return new ChangedBlock(0, 0, 0, length, 0, lines, lineFragment);
-  }
-
-  @NotNull
-  public static ChangedBlock createDeleted(int length, int lines) {
-    LineFragmentImpl lineFragment = new LineFragmentImpl(0, lines, 0, 0, 0, length, 0, 0);
-    return new ChangedBlock(0, length, 0, 0, 0, lines, lineFragment);
-  }
-
   public int getStartOffset1() {
     return myStartOffset1;
   }
diff --git a/platform/diff-impl/src/com/intellij/diff/tools/fragmented/UnifiedDiffViewer.java b/platform/diff-impl/src/com/intellij/diff/tools/fragmented/UnifiedDiffViewer.java
index 793dda10dedd..5f463b8feaf0 100644
--- a/platform/diff-impl/src/com/intellij/diff/tools/fragmented/UnifiedDiffViewer.java
+++ b/platform/diff-impl/src/com/intellij/diff/tools/fragmented/UnifiedDiffViewer.java
@@ -62,6 +62,7 @@ import javax.swing.*;
 import java.util.*;
 
 import static com.intellij.diff.util.DiffUtil.getLineCount;
+import static com.intellij.diff.util.DiffUtil.getLinesContent;
 
 public class UnifiedDiffViewer extends ListenerDiffViewerBase {
   public static final Logger LOG = Logger.getInstance(UnifiedDiffViewer.class);
@@ -1182,9 +1183,8 @@ public class UnifiedDiffViewer extends ListenerDiffViewerBase {
 
       LineFragment lineFragment = change.getLineFragment();
 
-      int insertedStart = lineFragment.getStartOffset2();
-      int insertedEnd = lineFragment.getEndOffset2();
-      CharSequence insertedText = getContent(mySide).getDocument().getCharsSequence().subSequence(insertedStart, insertedEnd);
+      Document document = getContent(mySide).getDocument();
+      CharSequence insertedText = getLinesContent(document, lineFragment.getStartLine2(), lineFragment.getEndLine2());
 
       int lineNumber = lineFragment.getStartLine2();
 
diff --git a/platform/diff-impl/src/com/intellij/diff/util/DiffUtil.java b/platform/diff-impl/src/com/intellij/diff/util/DiffUtil.java
index 398b7b49495b..facd82456a15 100644
--- a/platform/diff-impl/src/com/intellij/diff/util/DiffUtil.java
+++ b/platform/diff-impl/src/com/intellij/diff/util/DiffUtil.java
@@ -793,8 +793,8 @@ public class DiffUtil {
 
   @NotNull
   public static TextDiffType getLineDiffType(@NotNull LineFragment fragment) {
-    boolean left = fragment.getEndOffset1() != fragment.getStartOffset1() || fragment.getStartLine1() != fragment.getEndLine1();
-    boolean right = fragment.getEndOffset2() != fragment.getStartOffset2() || fragment.getStartLine2() != fragment.getEndLine2();
+    boolean left = fragment.getStartLine1() != fragment.getEndLine1();
+    boolean right = fragment.getStartLine2() != fragment.getEndLine2();
     return getType(left, right);
   }