diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8e5914..a1a129c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,7 +55,6 @@
     OriginObj.h
     OriginFile.h
     OriginParser.h
-    tree.hh
 )
 
 # object library
@@ -104,6 +103,7 @@
 endif ()
 
 # command line util
+if(ENABLE_TOOLS)
 if (BUILD_STATIC_LIBS)
     add_executable(opj2dat opj2dat.cpp)
     target_link_libraries (opj2dat origin_static)
@@ -111,6 +111,7 @@
     add_executable(opj2dat opj2dat.cpp)
     target_link_libraries (opj2dat origin_shared)
 endif ()
+endif ()
 
 # Generate a pkg-config file matching this config
 configure_file("liborigin.pc.in" "liborigin.pc" @ONLY)
@@ -120,8 +121,10 @@
 # install pkg-config file
 if (BUILD_STATIC_LIBS OR BUILD_SHARED_LIBS)
     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/liborigin.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+if(ENABLE_TOOLS)
     install(TARGETS opj2dat DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
 endif ()
+endif ()
 
 # documentation
 install(FILES COPYING FORMAT README