diff --git a/platform/core-api/src/com/intellij/openapi/fileTypes/LanguageFileType.java b/platform/core-api/src/com/intellij/openapi/fileTypes/LanguageFileType.java
index 9010b3296bf2..214341c105a6 100644
--- a/platform/core-api/src/com/intellij/openapi/fileTypes/LanguageFileType.java
+++ b/platform/core-api/src/com/intellij/openapi/fileTypes/LanguageFileType.java
@@ -53,14 +53,7 @@ public abstract class LanguageFileType implements FileType{
   }
 
   @Override
-  public final boolean isReadOnly() {
-    return isSystem();
-  }
-
-  /**
-   * System file types cannot be editor and are not shown in the interface
-   */
-  protected boolean isSystem() {
+  public boolean isReadOnly() {
     return false;
   }