diff --git a/python/src/com/jetbrains/python/buildout/config/lexer/_BuildoutCfgFlexLexer.java b/python/src/com/jetbrains/python/buildout/config/lexer/_BuildoutCfgFlexLexer.java
index 087ff02c8a40..a80bb77e435a 100644
--- a/python/src/com/jetbrains/python/buildout/config/lexer/_BuildoutCfgFlexLexer.java
+++ b/python/src/com/jetbrains/python/buildout/config/lexer/_BuildoutCfgFlexLexer.java
@@ -283,18 +283,6 @@ public class _BuildoutCfgFlexLexer implements FlexLexer, BuildoutCfgTokenTypes {
     yybegin(initialState);
   }
 
-  // For Demetra compatibility
-  public void reset(CharSequence buffer, int initialState){
-    zzBuffer = buffer;
-    zzBufferArray = null; 
-    zzCurrentPos = zzMarkedPos = zzStartRead = 0;
-    zzPushbackPos = 0;
-    zzAtEOF = false;
-    zzAtBOL = true;
-    zzEndRead = buffer.length();
-    yybegin(initialState);
-  }
-
   /**
    * Refills the input buffer.
    *
diff --git a/python/src/com/jetbrains/python/lexer/_PythonLexer.java b/python/src/com/jetbrains/python/lexer/_PythonLexer.java
index d3aec92c3ff0..3353c7d4bceb 100644
--- a/python/src/com/jetbrains/python/lexer/_PythonLexer.java
+++ b/python/src/com/jetbrains/python/lexer/_PythonLexer.java
@@ -629,18 +629,6 @@ class _PythonLexer implements FlexLexer {
     yybegin(initialState);
   }
 
-  // For Demetra compatibility
-  public void reset(CharSequence buffer, int initialState){
-    zzBuffer = buffer;
-    zzBufferArray = null; 
-    zzCurrentPos = zzMarkedPos = zzStartRead = 0;
-    zzPushbackPos = 0;
-    zzAtEOF = false;
-    zzAtBOL = true;
-    zzEndRead = buffer.length();
-    yybegin(initialState);
-  }
-
   /**
    * Refills the input buffer.
    *
diff --git a/python/testSrc/com/jetbrains/python/buildout/BuildoutCfgLexerTest.java b/python/testSrc/com/jetbrains/python/buildout/BuildoutCfgLexerTest.java
index a34691696618..32ca9f1a3c4d 100644
--- a/python/testSrc/com/jetbrains/python/buildout/BuildoutCfgLexerTest.java
+++ b/python/testSrc/com/jetbrains/python/buildout/BuildoutCfgLexerTest.java
@@ -98,7 +98,7 @@ public class BuildoutCfgLexerTest extends TestCase {
 
   public static _BuildoutCfgFlexLexer createLexer(String text) {
     _BuildoutCfgFlexLexer lexer = new _BuildoutCfgFlexLexer((Reader)null);
-    lexer.reset(text, _BuildoutCfgFlexLexer.YYINITIAL);
+    lexer.reset(text, 0, text.length(), _BuildoutCfgFlexLexer.YYINITIAL);
     return lexer;
   }
 }