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 was found
 if(LIBMYGPO_QT5_FOUND)
   set(MYGPOQT5_LIBRARIES ${LIBMYGPO_QT5_LIBRARIES})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6e24c9726..104d044d9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,7 +29,6 @@ include_directories(${LIBPROJECTM_INCLUDE_DIRS})
 include_directories(${QTSINGLEAPPLICATION_INCLUDE_DIRS})
 include_directories(${QTIOCOMPRESSOR_INCLUDE_DIRS})
 include_directories(${QXT_INCLUDE_DIRS})
-include_directories(${SHA2_INCLUDE_DIRS})
 include_directories(${CHROMAPRINT_INCLUDE_DIRS})
 include_directories(${MYGPOQT5_INCLUDE_DIRS})
 
@@ -1223,7 +1222,7 @@ target_link_libraries(clementine_lib
   libclementine-common
   libclementine-tagreader
   libclementine-remote
-  ${SHA2_LIBRARIES}
+  ${OPENSSL_LIBRARIES}
   ${TAGLIB_LIBRARIES}
   ${MYGPOQT5_LIBRARIES}
   ${CHROMAPRINT_LIBRARIES}
diff --git a/src/core/utilities.cpp b/src/core/utilities.cpp
index ce76f22da..80bf623fb 100644
--- a/src/core/utilities.cpp
+++ b/src/core/utilities.cpp
@@ -52,7 +52,7 @@
 #include "config.h"
 #include "timeconstants.h"
 
-#include "sha2.h"
+#include <openssl/sha.h>
 
 #if defined(Q_OS_UNIX)
 #include <sys/statvfs.h>
g/tests/syscalls.scm?id=3fbe449bd7e9b9422548beef61d24f6e5cb3b990'>syscalls.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/syscalls.scm?id=3fbe449bd7e9b9422548beef61d24f6e5cb3b990&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-10-26 12:46:27 +0200'>2021-10-26</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=f87371bf3e952a211782311dad2971c8820a5150'>syscalls: Add 'openpty' and 'login-tty'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (openpty, login-pty): New procedures.
* tests/syscalls.scm ("openpty", "openpty + login-tty"): New tests.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-02-25 11:29:35 +0100'>2021-02-25</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=7e9d9f28e997e7faad28cdd1c416be174d6986e7'>syscalls: Add 'mounts' and the &lt;mount&gt; record type.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (&lt;mount&gt;): New record type.
(option-string-&gt;mount-flags, mount-flags)
(octal-decode, mounts): New procedures.
(mount-points): Rewrite in terms of 'mount'.
* tests/syscalls.scm ("mounts"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>