diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4022c383b..3202b8b69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,6 +83,7 @@ pkg_check_modules(LIBPULSE libpulse)
 pkg_check_modules(LIBXML libxml-2.0)
 pkg_check_modules(SPOTIFY libspotify>=12.1.45)
 pkg_check_modules(TAGLIB REQUIRED taglib>=1.6)
+pkg_check_modules(OPENSSL REQUIRED openssl)
 
 if (WIN32)
   find_package(ZLIB REQUIRED)
@@ -381,20 +382,6 @@ if(GMOCK_INCLUDE_DIRS)
   endif(GTEST_INCLUDE_DIRS)
 endif(GMOCK_INCLUDE_DIRS)
 
-# Use the system's sha2 if it's available.
-find_path(SHA2_INCLUDE_DIRS sha2.h)
-find_library(SHA2_LIBRARIES sha2)
-if(SHA2_LIBRARIES AND SHA2_INCLUDE_DIRS)
-  message(STATUS "Using system sha2 library")
-  set(USE_SYSTEM_SHA2 ON)
-else()
-  message(STATUS "Using builtin sha2 library")
-  set(USE_SYSTEM_SHA2 OFF)
-  add_subdirectory(3rdparty/sha2)
-  set(SHA2_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/sha2)
-  set(SHA2_LIBRARIES sha2)
-endif()
-
 # Use the system libmygpo-qt5 if a recent enough version </td></tr></table>
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