diff --git a/platform/util-rt/src/com/intellij/openapi/util/text/StringUtilRt.java b/platform/util-rt/src/com/intellij/openapi/util/text/StringUtilRt.java
index d122c5582cbf..b7b63e1fff8e 100644
--- a/platform/util-rt/src/com/intellij/openapi/util/text/StringUtilRt.java
+++ b/platform/util-rt/src/com/intellij/openapi/util/text/StringUtilRt.java
@@ -2,7 +2,6 @@
 package com.intellij.openapi.util.text;
 
 import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -267,14 +266,14 @@ public class StringUtilRt {
   }
 
   @Contract(pure = true)
-  public static boolean startsWithIgnoreCase(@NonNls @NotNull String str, @NonNls @NotNull String prefix) {
+  public static boolean startsWithIgnoreCase(@NotNull String str, @NotNull String prefix) {
     final int stringLength = str.length();
     final int prefixLength = prefix.length();
     return stringLength >= prefixLength && str.regionMatches(true, 0, prefix, 0, prefixLength);
   }
 
   @Contract(pure = true)
-  public static boolean endsWithIgnoreCase(@NonNls @NotNull CharSequence text, @NonNls @NotNull CharSequence suffix) {
+  public static boolean endsWithIgnoreCase(@NotNull CharSequence text, @NotNull CharSequence suffix) {
     int l1 = text.length();
     int l2 = suffix.length();
     if (l1 < l2) return false;