diff --git a/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleParserDefinition.java b/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleParserDefinition.java
index e3499c41e..a2a2b7549 100644
--- a/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleParserDefinition.java
+++ b/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleParserDefinition.java
@@ -47,21 +47,18 @@ public class SimpleParserDefinition implements ParserDefinition {
     return new SimpleParser();
   }
 
+  @NotNull
   @Override
   public IFileElementType getFileNodeType() {
     return FILE;
   }
 
+  @NotNull
   @Override
-  public PsiFile createFile(FileViewProvider viewProvider) {
+  public PsiFile createFile(@NotNull FileViewProvider viewProvider) {
     return new SimpleFile(viewProvider);
   }
 
-  @Override
-  public SpaceRequirements spaceExistenceTypeBetweenTokens(ASTNode left, ASTNode right) {
-    return SpaceRequirements.MAY;
-  }
-
   @NotNull
   @Override
   public PsiElement createElement(ASTNode node) {