diff --git a/platform/lang-api/src/com/intellij/lexer/FilterLexer.java b/platform/core-api/src/com/intellij/lexer/FilterLexer.java
similarity index 100%
rename from platform/lang-api/src/com/intellij/lexer/FilterLexer.java
rename to platform/core-api/src/com/intellij/lexer/FilterLexer.java