diff -Naur a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2023-05-02 11:01:48.000000000 +0300
+++ b/CMakeLists.txt	2023-05-03 11:57:06.095299932 +0300
@@ -176,11 +176,6 @@
 endif()
 add_subdirectory(src/common)
 
-set(WITH_SEXP_CLI OFF)
-set(WITH_SEXP_TESTS OFF)
-set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME development)
-add_subdirectory(src/libsexp EXCLUDE_FROM_ALL)
-
 add_subdirectory(src/lib)
 add_subdirectory(src/rnp)
 add_subdirectory(src/rnpkeys)
diff -Naur a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
--- a/src/lib/CMakeLists.txt	2023-05-02 11:01:48.000000000 +0300
+++ b/src/lib/CMakeLists.txt	2023-05-03 10:59:25.147032470 +0300
@@ -433,7 +433,7 @@
       COMPONENT development
   )
 
-  install(TARGETS librnp-static sexp
+  install(TARGETS librnp-static
     EXPORT rnp-targets
     ARCHIVE
       DESTINATION  "${CMAKE_INSTALL_LIBDIR}"
@@ -441,7 +441,7 @@
   )
 else(BUILD_SHARED_LIBS)
 # static libraries only
-install(TARGETS librnp sexp
+install(TARGETS librnp
     EXPORT rnp-targets
     ARCHIVE
       DESTINATION  "${CMAKE_INSTALL_LIBDIR}"