diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/util/GrStringUtil.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/util/GrStringUtil.java
index b3513610659a..f44744b269cf 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/util/GrStringUtil.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/util/GrStringUtil.java
@@ -910,21 +910,11 @@ public class GrStringUtil {
     }
   }
 
-  public static boolean isPlainStringLiteral(ASTNode node) {
-    String text = node.getText();
-    return text.length() < 3 && text.equals("''") || text.length() >= 3 && !text.startsWith("'''");
-  }
-
   public static boolean isMultilineStringLiteral(GrLiteral literal) {
     String quote = getStartQuote(literal.getText());
     return TRIPLE_QUOTES.equals(quote) || TRIPLE_DOUBLE_QUOTES.equals(quote) || SLASH.equals(quote) || DOLLAR_SLASH.equals(quote);
   }
 
-  public static boolean isSinglelineStringLiteral(GrLiteral literal) {
-    String quote = getStartQuote(literal.getText());
-    return QUOTE.equals(quote) || DOUBLE_QUOTES.equals(quote);
-  }
-
   public static StringBuilder getLiteralTextByValue(String value) {
     StringBuilder buffer = new StringBuilder();
     if (value.indexOf('\n') >= 0) {
@@ -940,14 +930,6 @@ public class GrStringUtil {
     return buffer;
   }
 
-  public static PsiElement findContainingLiteral(PsiElement token) {
-
-    PsiElement parent = token.getParent();
-    if (parent instanceof GrStringContent) parent = parent.getParent();
-
-    return parent;
-  }
-
   /**
    * Checks whether a literal is a string literal of any kind
    */