diff --git a/include/mapnik/util/file_io.hpp b/include/mapnik/util/file_io.hpp
index ff6f4e3c5..62d32d16f 100644
--- a/include/mapnik/util/file_io.hpp
+++ b/include/mapnik/util/file_io.hpp
@@ -24,7 +24,6 @@
 #define MAPNIK_FILE_IO_HPP
 
 // mapnik
-#include <mapnik/util/singleton.hpp>
 #include <mapnik/make_unique.hpp>
 #include <mapnik/util/noncopyable.hpp>
 #include <mapnik/util/utf_conv_win.hpp>
diff --git a/src/datasource_cache.cpp b/src/datasource_cache.cpp
index a83f15797..20e7d650e 100644
--- a/src/datasource_cache.cpp
+++ b/src/datasource_cache.cpp
@@ -28,7 +28,6 @@
 #include <mapnik/params.hpp>
 #include <mapnik/plugin.hpp>
 #include <mapnik/util/fs.hpp>
-#include <mapnik/util/singleton.hpp>
 
 // boost
 #pragma GCC diagnostic push
diff --git a/src/projection.cpp b/src/projection.cpp
index 7cacae462..195b46896 100644
--- a/src/projection.cpp
+++ b/src/projection.cpp
@@ -22,7 +22,6 @@
 
 // mapnik
 #include <mapnik/projection.hpp>
-#include <mapnik/util/singleton.hpp>
 #include <mapnik/util/trim.hpp>
 #include <mapnik/well_known_srs.hpp>