diff --git a/cmake/OpenCVFindLibsGrfmt.cmake b/cmake/OpenCVFindLibsGrfmt.cmake
index e555d1f521..5682df6071 100644
--- a/cmake/OpenCVFindLibsGrfmt.cmake
+++ b/cmake/OpenCVFindLibsGrfmt.cmake
@@ -211,8 +211,8 @@ if(WITH_GDAL)
     find_package(GDAL QUIET)
 
     if(NOT GDAL_FOUND)
-        ocv_clear_vars(GDAL_LIBRARY GDAL_INCLUDE_DIR)
         set(HAVE_GDAL NO)
+        ocv_clear_vars(GDAL_VERSION GDAL_LIBRARIES)
     else()
         set(HAVE_GDAL YES)
         ocv_include_directories(${GDAL_INCLUDE_DIR})