diff --git a/pkgs/servers/monitoring/prometheus/mysqld_exporter/default.nix b/pkgs/servers/monitoring/prometheus/mysqld_exporter/default.nix
deleted file mode 100644
index 127dc752e14..00000000000
--- a/pkgs/servers/monitoring/prometheus/mysqld_exporter/default.nix
+++ /dev/null
@@ -1,29 +0,0 @@
-{ goPackages, lib, fetchFromGitHub }:
-
-let self = goPackages.buildGoPackage rec {
-  name = "prometheus-mysqld-exporter-${rev}";
-  rev = "0.1.0";
-  goPackagePath = "github.com/prometheus/mysqld_exporter";
-
-  src = fetchFromGitHub {
-    owner = "prometheus";
-    repo = "mysqld_exporter";
-    inherit rev;
-    sha256 = "10xnyxyb6saz8pq3ijp424hxy59cvm1b5c9zcbw7ddzzkh1f6jd9";
-  };
-
-  buildInputs = with goPackages; [
-    mysql
-    prometheus.client_golang
-  ];
-
-  meta = with lib; {
-    description = "Prometheus exporter for MySQL server metrics";
-    homepage = https://github.com/prometheus/mysqld_exporter;
-    license = licenses.asl20;
-    maintainers = with maintainers; [ benley ];
-    platforms = platforms.unix;
-  };
-};
-
-in self.bin
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 796150da673..5a483fa2429 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9203,9 +9203,8 @@ let
   prometheus-collectd-exporter = goPackages.prometheus.collectd-exporter.bin;
   prometheus-haproxy-exporter = goPackages.prometheus.haproxy-exporter.bin;
   prometheus-mesos-exporter = goPackages.prometheus.mesos-exporter.bin;
+  prometheus-mysqld-exporter = goPackages.prometheus.mysqld-exporter.bin;
 
-  prometheus-mysqld-exporter =
-    callPackage ../servers/monitoring/prometheus/mysqld_exporter { };
   prometheus-nginx-exporter =
     callPackage ../servers/monitoring/prometheus/nginx_exporter { };
   prometheus-node-exporter =
diff --git a/pkgs/top-level/go-packages.nix b/pkgs/top-level/go-packages.nix
index 31a9c8b3a93..6dfa5192176 100644
--- a/pkgs/top-level/go-packages.nix
+++ b/pkgs/top-level/go-packages.nix
@@ -2090,6 +2090,21 @@ let
     };
   };
 
+  prometheus.mysqld-exporter = buildFromGitHub {
+    rev = "0.1.0";
+    owner = "prometheus";
+    repo = "mysqld_exporter";
+    sha256 = "10xnyxyb6saz8pq3ijp424hxy59cvm1b5c9zcbw7ddzzkh1f6jd9";
+    buildInputs = [ mysql prometheus.client_golang ];
+    meta = with stdenv.lib; {
+      description = "Prometheus exporter for MySQL server metrics";
+      homepage = https://github.com/prometheus/mysqld_exporter;
+      license = licenses.asl20;
+      maintainers = with maintainers; [ benley ];
+      platforms = platforms.unix;
+    };
+  };
+
   prometheus.procfs = buildFromGitHub {
     rev    = "c91d8eefde16bd047416409eb56353ea84a186e4";
     date   = "2015-06-16";