diff --git a/CMakeLists.txt b/CMakeLists.txt
index af42e3e7..99aa239f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,9 +44,4 @@ add_subdirectory(utest)
 
 xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
 
-# ----------------------------------------------------------------
-# install .hpp files
-
-xo_install_include_tree()
-
 # end CMakeLists.txt
diff --git a/src/printjson/CMakeLists.txt b/src/printjson/CMakeLists.txt
index b0a4d532..2acf74cf 100644
--- a/src/printjson/CMakeLists.txt
+++ b/src/printjson/CMakeLists.txt
@@ -3,7 +3,7 @@
 set(SELF_LIB printjson)
 set(SELF_SRCS PrintJson.cpp init_printjson.cpp)
 
-xo_add_shared_library3(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
+xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
 
 # ----------------------------------------------------------------
 # dependencies: indentlog, ...