diff --git a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/Lexer.kt b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/Lexer.kt
index 3ed4cece9417..5e6d0f096fe9 100644
--- a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/Lexer.kt
+++ b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/Lexer.kt
@@ -35,7 +35,7 @@ interface Lexer {
   }
 
   fun getTokenText(): String {
-    return this.getTokenSequence().toString()
+    return getTokenSequence().toString()
   }
 
   /**
diff --git a/platform/syntax/syntax-util/api-dump-experimental.txt b/platform/syntax/syntax-util/api-dump-experimental.txt
index 6f53de313ce8..b95b0994fcbe 100644
--- a/platform/syntax/syntax-util/api-dump-experimental.txt
+++ b/platform/syntax/syntax-util/api-dump-experimental.txt
@@ -1,20 +1,14 @@
 *c:com.intellij.platform.syntax.util.lexer.DelegateLexer
-- com.intellij.platform.syntax.lexer.Lexer
+- com.intellij.platform.syntax.util.lexer.LexerBase
 - <init>(com.intellij.platform.syntax.lexer.Lexer):V
 - advance():V
 - getBufferEnd():I
 - getBufferSequence():java.lang.CharSequence
-- getCurrentPosition():com.intellij.platform.syntax.lexer.LexerPosition
 - f:getDelegate():com.intellij.platform.syntax.lexer.Lexer
 - getState():I
 - getTokenEnd():I
-- getTokenSequence():java.lang.CharSequence
 - getTokenStart():I
-- getTokenText():java.lang.String
 - getTokenType():com.intellij.platform.syntax.SyntaxElementType
-- restore(com.intellij.platform.syntax.lexer.LexerPosition):V
-- start(java.lang.CharSequence):V
-- start(java.lang.CharSequence,I,I):V
 - start(java.lang.CharSequence,I,I,I):V
 *c:com.intellij.platform.syntax.util.lexer.FlexAdapter
 - com.intellij.platform.syntax.util.lexer.LexerBase
diff --git a/platform/syntax/syntax-util/src/com/intellij/platform/syntax/util/lexer/DelegateLexer.kt b/platform/syntax/syntax-util/src/com/intellij/platform/syntax/util/lexer/DelegateLexer.kt
index 6983ffb985d4..ade05be302cd 100644
--- a/platform/syntax/syntax-util/src/com/intellij/platform/syntax/util/lexer/DelegateLexer.kt
+++ b/platform/syntax/syntax-util/src/com/intellij/platform/syntax/util/lexer/DelegateLexer.kt
@@ -1,8 +1,41 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.platform.syntax.util.lexer
 
+import com.intellij.platform.syntax.SyntaxElementType
 import com.intellij.platform.syntax.lexer.Lexer
 import org.jetbrains.annotations.ApiStatus
 
 @ApiStatus.Experimental
-open class DelegateLexer(val delegate: Lexer) : Lexer by delegate
+open class DelegateLexer(val delegate: Lexer) : LexerBase() {
+  override fun start(buffer: CharSequence, startOffset: Int, endOffset: Int, initialState: Int) {
+    delegate.start(buffer, startOffset, endOffset, initialState)
+  }
+
+  override fun getState(): Int {
+    return delegate.getState()
+  }
+
+  override fun getTokenType(): SyntaxElementType? {
+    return delegate.getTokenType()
+  }
+
+  override fun getTokenStart(): Int {
+    return delegate.getTokenStart()
+  }
+
+  override fun getTokenEnd(): Int {
+    return delegate.getTokenEnd()
+  }
+
+  override fun advance() {
+    delegate.advance()
+  }
+
+  override fun getBufferSequence(): CharSequence {
+    return delegate.getBufferSequence()
+  }
+
+  override fun getBufferEnd(): Int {
+    return delegate.getBufferEnd()
+  }
+}