diff --git a/CMakeLists.txt b/CMakeLists.txt
index 37d3ae3a470460fbd26ceee2b48203f03887358a..6ee89254ec80aefb9304a2d5930defa40f9cf0e9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,14 +50,6 @@ if(NOT WIN32 AND OGS_BUILD_SWMM)
     message(FATAL_ERROR "OGS_BUILD_SWMM requires Windows!")
 endif()
 
-# Third-party libraries, names come from Conan package names
-foreach(lib vtk qt petsc tfel)
-    set(OGS_LIB_${lib} "Default" CACHE STRING
-                                       "Which ${LIB} library should be used?"
-    )
-    set_property(CACHE OGS_LIB_${lib} PROPERTY STRINGS "Default" "System")
-endforeach()
-
 if(OGS_USE_PETSC)
     set(OGS_USE_MPI ON CACHE BOOL "Use MPI" FORCE)
 endif()
diff --git a/scripts/cmake/ConanSetup.cmake b/scripts/cmake/ConanSetup.cmake
index a2f4c6d73d63156b1a0033a73e34275b0c304823..744bb21a546e7c80a80267a773ff24df33824471 100644
--- a/scripts/cmake/ConanSetup.cmake
+++ b/scripts/cmake/ConanSetup.cmake
@@ -81,14 +81,6 @@ endif()
 conan_check(VERSION ${ogs.minimum_version.conan})
 conan_config_install(ITEM ${PROJECT_SOURCE_DIR}/scripts/cmake/conan/config)
 
-message(STATUS "Third-party libraries:")
-foreach(LIB ${OGS_LIBS})
-    message(STATUS "  - OGS_LIB_${LIB} = ${OGS_LIB_${LIB}}")
-    if("${OGS_LIB_${LIB}}" STREQUAL System)
-        list(FILTER CONAN_REQUIRES EXCLUDE REGEX ${LIB})
-    endif()
-endforeach()
-
 set(CONAN_IMPORTS "")
 if(APPLE)
     set(CONAN_IMPORTS ${CONAN_IMPORTS} "lib, *.dylib* -> ./lib")