--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -357,9 +357,11 @@ set_target_properties(lib_gost_engine PR
   COMPILE_DEFINITIONS "BUILDING_ENGINE_AS_LIBRARY"
   PUBLIC_HEADER gost-engine.h
   OUTPUT_NAME "gost")
-target_link_libraries(lib_gost_engine PRIVATE gost_core gost_err)
+#target_link_libraries(lib_gost_engine PRIVATE gost_core gost_err)
+target_link_libraries(lib_gost_engine PRIVATE gost_core)
 endif()
 
+if (0)
 # The GOST provider uses this
 add_subdirectory(libprov)
 
@@ -384,6 +386,7 @@ set_target_properties(lib_gost_prov PROP
   )
 target_link_libraries(lib_gost_prov PRIVATE gost_core libprov)
 endif()
+endif()
 
 set(GOST_SUM_SOURCE_FILES
         gostsum.c
@@ -424,15 +427,15 @@ install(FILES gostsum.1 gost12sum.1 DEST
 install(TARGETS gost_engine EXPORT GostEngineConfig
         LIBRARY  DESTINATION ${OPENSSL_ENGINES_DIR}
         RUNTIME  DESTINATION ${OPENSSL_ENGINES_DIR})
-install(TARGETS gost_prov EXPORT GostProviderConfig
-        LIBRARY  DESTINATION ${OPENSSL_MODULES_DIR}
-        RUNTIME  DESTINATION ${OPENSSL_MODULES_DIR})
+#install(TARGETS gost_prov EXPORT GostProviderConfig
+#        LIBRARY  DESTINATION ${OPENSSL_MODULES_DIR}
+#        RUNTIME  DESTINATION ${OPENSSL_MODULES_DIR})
 if (NOT MSVC)
 # install engine and provider in library form
 install(TARGETS lib_gost_engine EXPORT GostEngineConfig
         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(TARGETS lib_gost_prov EXPORT GostProviderConfig
-        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+#install(TARGETS lib_gost_prov EXPORT GostProviderConfig
+#        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
 endif()
 
 if (MSVC)
@@ -440,8 +443,8 @@ if (MSVC)
     EXPORT GostEngineConfig DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
   install(FILES $<TARGET_PDB_FILE:gost_engine>
     EXPORT GostEngineConfig DESTINATION ${OPENSSL_ENGINES_DIR} OPTIONAL)
-  install(FILES $<TARGET_PDB_FILE:gost_prov>
-    EXPORT GostProviderConfig DESTINATION ${OPENSSL_MODULES_DIR} OPTIONAL)
+#  install(FILES $<TARGET_PDB_FILE:gost_prov>
+#    EXPORT GostProviderConfig DESTINATION ${OPENSSL_MODULES_DIR} OPTIONAL)
 endif()
 install(EXPORT GostEngineConfig DESTINATION GostEngine/share/cmake/GostEngine)
-install(EXPORT GostProviderConfig DESTINATION GostEngine/share/cmake/GostProvider)
+#install(EXPORT GostProviderConfig DESTINATION GostEngine/share/cmake/GostProvider)