diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index e2642b87..1746d99e 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -11,7 +11,7 @@ build(insert)
 build(update)
 build(remove)
 build(select)
-find_package(Boost 1.56)
+find_package(Boost 1.54)
 if(Boost_FOUND)
   MESSAGE(${Boost_INCLUDE_DIRS})
   include_directories(${Boost_INCLUDE_DIRS})
diff --git a/include/sqlpp11/ppgen.h b/include/sqlpp11/ppgen.h
index 2b553e45..50141bc1 100644
--- a/include/sqlpp11/ppgen.h
+++ b/include/sqlpp11/ppgen.h
@@ -72,7 +72,6 @@
 #include <boost/preprocessor/stringize.hpp>
 #include <boost/preprocessor/tuple/elem.hpp>
 #include <boost/preprocessor/tuple/size.hpp>
-#include <boost/preprocessor/tuple/pop_front.hpp>
 #include <boost/preprocessor/tuple/to_seq.hpp>
 
 /***************************************************************************/