diff --git a/include/boost/progress.hpp b/include/boost/progress.hpp
index 586ef8bf..c07323a9 100644
--- a/include/boost/progress.hpp
+++ b/include/boost/progress.hpp
@@ -19,6 +19,10 @@
 #ifndef BOOST_PROGRESS_HPP
 #define BOOST_PROGRESS_HPP
 
+#if !defined(BOOST_TIMER_ENABLE_DEPRECATED)
+# error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
+#endif
+
 #include <boost/config/header_deprecated.hpp>
 BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp> or <boost/timer/progress_display.hpp>" )
 
diff --git a/include/boost/timer.hpp b/include/boost/timer.hpp
index f3ddb41f..49fd9989 100644
--- a/include/boost/timer.hpp
+++ b/include/boost/timer.hpp
@@ -17,6 +17,10 @@
 #ifndef BOOST_TIMER_HPP
 #define BOOST_TIMER_HPP
 
+#if !defined(BOOST_TIMER_ENABLE_DEPRECATED)
+# error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
+#endif
+
 #include <boost/config/header_deprecated.hpp>
 BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )
 
diff --git a/test/original_timer_test.cpp b/test/original_timer_test.cpp
index c76c8ade..dd6b68f6 100644
--- a/test/original_timer_test.cpp
+++ b/test/original_timer_test.cpp
@@ -12,6 +12,8 @@
 //  16 Jul 99  Second beta
 //   6 Jul 99  Initial boost version
 
+#define BOOST_TIMER_ENABLE_DEPRECATED
+
 #include <boost/progress.hpp>
 #include <iostream>
 #include <climits>