diff --git a/pkgs/applications/kde/akonadi/default.nix b/pkgs/applications/kde/akonadi/default.nix
index e0b0e2324b1..71f9f4f7721 100644
--- a/pkgs/applications/kde/akonadi/default.nix
+++ b/pkgs/applications/kde/akonadi/default.nix
@@ -2,7 +2,7 @@
   mkDerivation, lib, kdepimTeam,
   extra-cmake-modules, shared-mime-info, qtbase, accounts-qt,
   boost, kaccounts-integration, kcompletion, kconfigwidgets, kcrash, kdbusaddons,
-  kdesignerplugin, ki18n, kiconthemes, kio, kitemmodels, kwindowsystem, mysql, qttools,
+  kdesignerplugin, ki18n, kiconthemes, kio, kitemmodels, kwindowsystem, mariadb, qttools,
   signond, lzma,
 }:
 
@@ -26,10 +26,10 @@ mkDerivation {
   propagatedBuildInputs = [ boost kitemmodels ];
   outputs = [ "out" "dev" ];
   CXXFLAGS = [
-    ''-DNIXPKGS_MYSQL_MYSQLD=\"${lib.getBin mysql}/bin/mysqld\"''
-    ''-DNIXPKGS_MYSQL_MYSQLADMIN=\"${lib.getBin mysql}/bin/mysqladmin\"''
-    ''-DNIXPKGS_MYSQL_MYSQL_INSTALL_DB=\"${lib.getBin mysql}/bin/mysql_install_db\"''
-    ''-DNIXPKGS_MYSQL_MYSQLCHECK=\"${lib.getBin mysql}/bin/mysqlcheck\"''
+    ''-DNIXPKGS_MYSQL_MYSQLD=\"${lib.getBin mariadb}/bin/mysqld\"''
+    ''-DNIXPKGS_MYSQL_MYSQLADMIN=\"${lib.getBin mariadb}/bin/mysqladmin\"''
+    ''-DNIXPKGS_MYSQL_MYSQL_INSTALL_DB=\"${lib.getBin mariadb}/bin/mysql_install_db\"''
+    ''-DNIXPKGS_MYSQL_MYSQLCHECK=\"${lib.getBin mariadb}/bin/mysqlcheck\"''
     ''-DNIXPKGS_POSTGRES_PG_CTL=\"\"''
     ''-DNIXPKGS_POSTGRES_PG_UPGRADE=\"\"''
     ''-DNIXPKGS_POSTGRES_INITDB=\"\"''
diff --git a/pkgs/development/libraries/sope/default.nix b/pkgs/development/libraries/sope/default.nix
index b24b0b9bcd4..b956967ee88 100644
--- a/pkgs/development/libraries/sope/default.nix
+++ b/pkgs/development/libraries/sope/default.nix
@@ -1,5 +1,5 @@
 { gnustep, lib, fetchFromGitHub , libxml2, openssl_1_1
-, openldap, mysql, libmysqlclient, postgresql }:
+, openldap, mariadb, libmysqlclient, postgresql }:
 with lib;
 
 gnustep.stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ gnustep.stdenv.mkDerivation rec {
   nativeBuildInputs = [ gnustep.make ];
   buildInputs = flatten ([ gnustep.base libxml2 openssl_1_1 ]
     ++ optional (openldap != null) openldap
-    ++ optionals (mysql != null) [ libmysqlclient mysql ]
+    ++ optionals (mariadb != null) [ libmysqlclient mariadb ]
     ++ optional (postgresql != null) postgresql);
 
   postPatch = ''
@@ -31,7 +31,7 @@ gnustep.stdenv.mkDerivation rec {
 
   configureFlags = [ "--prefix=" "--disable-debug" "--enable-xml" "--with-ssl=ssl" ]
     ++ optional (openldap != null) "--enable-openldap"
-    ++ optional (mysql != null) "--enable-mysql"
+    ++ optional (mariadb != null) "--enable-mysql"
     ++ optional (postgresql != null) "--enable-postgresql";
 
   # Yes, this is ugly.
diff --git a/pkgs/development/libraries/unixODBCDrivers/default.nix b/pkgs/development/libraries/unixODBCDrivers/default.nix
index c8cf475029d..14f41b015e9 100644
--- a/pkgs/development/libraries/unixODBCDrivers/default.nix
+++ b/pkgs/development/libraries/unixODBCDrivers/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, unixODBC, cmake, postgresql, mysql, sqlite, zlib, libxml2, dpkg, lib, openssl, libkrb5, libuuid, patchelf, libiconv, fetchFromGitHub }:
+{ fetchurl, stdenv, unixODBC, cmake, postgresql, mariadb, sqlite, zlib, libxml2, dpkg, lib, openssl, libkrb5, libuuid, patchelf, libiconv, fetchFromGitHub }:
 
 # I haven't done any parameter tweaking.. So the defaults provided here might be bad
 
@@ -79,7 +79,7 @@
     };
 
     nativeBuildInputs = [ cmake ];
-    buildInputs = [ unixODBC mysql ];
+    buildInputs = [ unixODBC mariadb ];
 
     cmakeFlags = [ "-DWITH_UNIXODBC=1" ];
 
diff --git a/pkgs/development/tools/database/shmig/default.nix b/pkgs/development/tools/database/shmig/default.nix
index 447dbc23fdf..a25a3956451 100644
--- a/pkgs/development/tools/database/shmig/default.nix
+++ b/pkgs/development/tools/database/shmig/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , withMySQL ? true, withPSQL ? false, withSQLite ? false
-, mysql, postgresql, sqlite, gawk, gnugrep, findutils, gnused
+, mariadb, postgresql, sqlite, gawk, gnugrep, findutils, gnused
 , lib
 }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     patchShebangs .
 
     substituteInPlace shmig \
-      --replace "\`which mysql\`" "${lib.optionalString withMySQL "${mysql.client}/bin/mysql"}" \
+      --replace "\`which mysql\`" "${lib.optionalString withMySQL "${mariadb.client}/bin/mysql"}" \
       --replace "\`which psql\`" "${lib.optionalString withPSQL "${postgresql}/bin/psql"}" \
       --replace "\`which sqlite3\`" "${lib.optionalString withSQLite "${sqlite}/bin/sqlite3"}" \
       --replace "awk" "${gawk}/bin/awk" \
diff --git a/pkgs/development/tools/diesel-cli/default.nix b/pkgs/development/tools/diesel-cli/default.nix
index a4f4911f589..8a976f44bf7 100644
--- a/pkgs/development/tools/diesel-cli/default.nix
+++ b/pkgs/development/tools/diesel-cli/default.nix
@@ -1,7 +1,7 @@
 { stdenv, lib, rustPlatform, fetchFromGitHub, openssl, pkg-config, Security
 , sqliteSupport ? true, sqlite
 , postgresqlSupport ? true, postgresql
-, mysqlSupport ? true, mysql, zlib, libiconv
+, mysqlSupport ? true, mariadb, zlib, libiconv
 }:
 
 assert lib.assertMsg (sqliteSupport == true || postgresqlSupport == true || mysqlSupport == true)
@@ -55,7 +55,7 @@ rustPlatform.buildRustPackage rec {
     ++ optional (stdenv.isDarwin && mysqlSupport) libiconv
     ++ optional sqliteSupport sqlite
     ++ optional postgresqlSupport postgresql
-    ++ optionals mysqlSupport [ mysql zlib ];
+    ++ optionals mysqlSupport [ mariadb zlib ];
 
   buildAndTestSubdir = "diesel_cli";
 
diff --git a/pkgs/servers/zoneminder/default.nix b/pkgs/servers/zoneminder/default.nix
index 0ae93ed1469..c4e9e915381 100644
--- a/pkgs/servers/zoneminder/default.nix
+++ b/pkgs/servers/zoneminder/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, fetchurl, fetchpatch, substituteAll, cmake, makeWrapper, pkg-config
-, curl, ffmpeg_3, glib, libjpeg, libselinux, libsepol, mp4v2, libmysqlclient, mysql, pcre, perl, perlPackages
+, curl, ffmpeg_3, glib, libjpeg, libselinux, libsepol, mp4v2, libmysqlclient, mariadb, pcre, perl, perlPackages
 , polkit, util-linuxMinimal, x264, zlib
 , coreutils, procps, psmisc, nixosTests }:
 
@@ -122,11 +122,11 @@ in stdenv.mkDerivation rec {
     done
 
     substituteInPlace scripts/zmdbbackup.in \
-      --replace /usr/bin/mysqldump ${mysql.client}/bin/mysqldump
+      --replace /usr/bin/mysqldump ${mariadb.client}/bin/mysqldump
 
     substituteInPlace scripts/zmupdate.pl.in \
-      --replace "'mysql'" "'${mysql.client}/bin/mysql'" \
-      --replace "'mysqldump'" "'${mysql.client}/bin/mysqldump'"
+      --replace "'mysql'" "'${mariadb.client}/bin/mysql'" \
+      --replace "'mysqldump'" "'${mariadb.client}/bin/mysqldump'"
 
     for f in scripts/ZoneMinder/lib/ZoneMinder/Config.pm.in \
              scripts/zmupdate.pl.in \
@@ -147,7 +147,7 @@ in stdenv.mkDerivation rec {
   '';
 
   buildInputs = [
-    curl ffmpeg_3 glib libjpeg libselinux libsepol mp4v2 libmysqlclient mysql.client pcre perl polkit x264 zlib
+    curl ffmpeg_3 glib libjpeg libselinux libsepol mp4v2 libmysqlclient mariadb.client pcre perl polkit x264 zlib
     util-linuxMinimal # for libmount
   ] ++ (with perlPackages; [
     # build-time dependencies
diff --git a/pkgs/tools/backup/automysqlbackup/default.nix b/pkgs/tools/backup/automysqlbackup/default.nix
index 169ef7309fe..5ecdcc4e7ed 100644
--- a/pkgs/tools/backup/automysqlbackup/default.nix
+++ b/pkgs/tools/backup/automysqlbackup/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, mysql, mailutils, pbzip2, pigz, bzip2, gzip }:
+{ lib, stdenv, fetchurl, makeWrapper, mariadb, mailutils, pbzip2, pigz, bzip2, gzip }:
 
 stdenv.mkDerivation rec {
   pname = "automysqlbackup";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     cp automysqlbackup $out/bin/
     cp automysqlbackup.conf $out/etc/
 
-    wrapProgram $out/bin/automysqlbackup --prefix PATH : ${lib.makeBinPath [ mysql mailutils pbzip2 pigz bzip2 gzip ]}
+    wrapProgram $out/bin/automysqlbackup --prefix PATH : ${lib.makeBinPath [ mariadb mailutils pbzip2 pigz bzip2 gzip ]}
   '';
 
   meta = with lib; {
diff --git a/pkgs/tools/networking/snabb/default.nix b/pkgs/tools/networking/snabb/default.nix
index d65f4fae30e..affe6577eb8 100644
--- a/pkgs/tools/networking/snabb/default.nix
+++ b/pkgs/tools/networking/snabb/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, bash, makeWrapper, git, mysql, diffutils, which, coreutils, procps, nettools
+{ lib, stdenv, fetchFromGitHub, bash, makeWrapper, git, mariadb, diffutils, which, coreutils, procps, nettools
 ,supportOpenstack ? true
 }:
 
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     done
   '' + optionalString supportOpenstack ''
     # We need a way to pass $PATH to the scripts
-    sed -i '2iexport PATH=${git}/bin:${mysql}/bin:${which}/bin:${procps}/bin:${coreutils}/bin' src/program/snabbnfv/neutron_sync_master/neutron_sync_master.sh.inc
+    sed -i '2iexport PATH=${git}/bin:${mariadb}/bin:${which}/bin:${procps}/bin:${coreutils}/bin' src/program/snabbnfv/neutron_sync_master/neutron_sync_master.sh.inc
     sed -i '2iexport PATH=${git}/bin:${coreutils}/bin:${diffutils}/bin:${nettools}/bin' src/program/snabbnfv/neutron_sync_agent/neutron_sync_agent.sh.inc
   '';
 
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index bf698045c19..dfd3727047a 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -402,6 +402,7 @@ mapAliases ({
   man_db = man-db; # added 2016-05
   manpages = man-pages; # added 2015-12-06
   marathon = throw "marathon has been removed from nixpkgs, as it's unmaintained"; # added 2020-08-15
+  mysql = mariadb; # moved from top-level 2021-03-14
   mariadb-client = hiPrio mariadb.client; #added 2019.07.28
   matcha = throw "matcha was renamed to matcha-gtk-theme"; # added 2020-05-09
   mathics = throw "mathics has been removed from nixpkgs, as it's unmaintained"; # added 2020-08-15
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 53ddd52fec8..fb5d7566a84 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18694,7 +18694,6 @@ in
     inherit (darwin) cctools;
     inherit (pkgs.darwin.apple_sdk.frameworks) CoreServices;
   };
-  mysql = mariadb; # TODO: move to aliases.nix
 
   mongodb = hiPrio mongodb-3_4;
 
diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index b42f827d0df..62ddc14ff93 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -8,7 +8,7 @@
 { fetchurl, stdenv, lua, unzip, pkg-config
 , pcre, oniguruma, gnulib, tre, glibc, sqlite, openssl, expat
 , autoreconfHook, gnum4
-, mysql, postgresql, cyrus_sasl
+, postgresql, cyrus_sasl
 , fetchFromGitHub, which, writeText
 , pkgs
 , lib