diff --git a/headers/private/storage/sniffer/Expr.h b/headers/private/storage/sniffer/Expr.h
deleted file mode 100644
index 9548f1ad89..0000000000
--- a/headers/private/storage/sniffer/Expr.h
+++ /dev/null
@@ -1,25 +0,0 @@
-//----------------------------------------------------------------------
-//  This software is part of the OpenBeOS distribution and is covered 
-//  by the OpenBeOS license.
-//---------------------------------------------------------------------
-/*!
-	\file sniffer/Expr.h
-	Mime Sniffer Expression declarations
-*/
-#ifndef _sk_sniffer_expr_h_
-#define _sk_sniffer_expr_h_
-
-class BPositionIO;
-
-namespace Sniffer {
-
-//! Base expression class
-class Expr {
-public:
-	virtual ~Expr() {}
-	virtual bool Sniff(BPositionIO *data) const = 0;
-};
-
-}
-
-#endif	// _sk_sniffer_expr_h_
\ No newline at end of file