diff --git a/CMakeLists.txt b/CMakeLists.txt
index 580118d6b12ffd61269cbf24e150c18109f0de15..986fb4f54a6480926c49c0e322621d66e3c6fb73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,6 @@ cmake_minimum_required(VERSION 3.18)
 project(Detection_eddies LANGUAGES Fortran)
 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release Profile)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
-find_package(NetCDF REQUIRED)
 find_package(NetCDF_Fortran REQUIRED)
 find_package(MPI)
 
@@ -15,7 +14,6 @@ if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
   find_package(Geometry REQUIRED CONFIG)
   find_package(Numer_Rec_95 REQUIRED CONFIG)
   find_package(GPC_F REQUIRED CONFIG)
-  find_package(GPC REQUIRED CONFIG)
 endif()
 
 if(NOT TARGET fortranGIS)