diff --git a/platform/util/src/com/intellij/util/EnvironmentUtil.java b/platform/util/src/com/intellij/util/EnvironmentUtil.java
index 209781173351..4872757931ae 100644
--- a/platform/util/src/com/intellij/util/EnvironmentUtil.java
+++ b/platform/util/src/com/intellij/util/EnvironmentUtil.java
@@ -51,8 +51,6 @@ public class EnvironmentUtil {
   private static final String LC_ALL = "LC_ALL";
   private static final String LC_CTYPE = "LC_CTYPE";
 
-  private static final String LOCALE_PATTERN = "[a-z]{2}_[A-Z]{2}\\.[a-zA-Z\\-0-9]+";
-
   private static final Future<Map<String, String>> ourEnvGetter;
 
   static {