diff --git a/flake.lock b/flake.lock
index 778ccad..7f78079 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "emacs-overlay": {
       "locked": {
-        "lastModified": 1641901534,
-        "narHash": "sha256-Nvm6Zj80fVtzmGsUFYlz9XGFyLnyAe9VoduPmDBu+js=",
+        "lastModified": 1641149178,
+        "narHash": "sha256-Mt+oT5YZ6G9zHctDKV5pY+3vIdsMmAg0HMvz6rxsIc0=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "57378ea2f62e9f450f420dc9d01cc06e0d3dd15e",
+        "rev": "f3c435a5e5cfa3ce1b2f50ba37b9cacfec4139d9",
         "type": "github"
       },
       "original": {
@@ -39,11 +39,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1641915897,
-        "narHash": "sha256-C5Vw7B8BKA/kr9tWVYjEdD3AjstXFqoxkkzrOwfQZxk=",
+        "lastModified": 1641121012,
+        "narHash": "sha256-svaOMxNMQgFHjcxdmLojOxTxfqSENtnO+S3kb+npIwY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "5209ea0d8c77399ec4987590e9738953f15f8d80",
+        "rev": "8e7a10602d1eb1d242c9d3f9b822203d5751a8c6",
         "type": "github"
       },
       "original": {
@@ -71,11 +71,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1641710811,
-        "narHash": "sha256-yVJ+CtwWZY8BnkNIJ/ue5a28yrRM6CkDF1LvmGmqqwM=",
+        "lastModified": 1640959792,
+        "narHash": "sha256-zYSR//06FU2TDOpKKj0Hkff6unsxk3NwwNFuB1loU6E=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0ecf7d414811f831060cf55707c374d54fbb1dec",
+        "rev": "59bfda72480496f32787cec8c557182738b1bd3f",
         "type": "github"
       },
       "original": {
@@ -87,11 +87,11 @@
     },
     "nixpkgs-unstable-small": {
       "locked": {
-        "lastModified": 1641865627,
-        "narHash": "sha256-B3b7KCThCx5bcDtWCX9ZZIl/EVs/lB8iDdI277/tvNA=",
+        "lastModified": 1641125298,
+        "narHash": "sha256-oNIG2UsyMk/osOmnjxHp53d8nJMudpW5a2+dcgsJzmE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3fe528dec572a26404f130893d2c22a35646247c",
+        "rev": "c1d8e77ac2ca4248886632c597debea233700b2b",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 9bc927c..a30b5d8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -60,8 +60,6 @@
       };
     };
 
-    overlays = import ./overlays;
-
     nixosConfigurations =
       let
         system = "x86_64-linux";
@@ -75,7 +73,7 @@
               config.allowUnfree = true;
             };
           })
-        ] ++ builtins.attrValues self.overlays;
+        ];
         sharedModules = [
           home-manager.nixosModule
           { nixpkgs.overlays = shared_overlays; }
diff --git a/overlays/default.nix b/overlays/default.nix
deleted file mode 100644
index 1f747a6..0000000
--- a/overlays/default.nix
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  i3status-rust = import ./i3status-rust;
-}
diff --git a/overlays/i3status-rust/default.nix b/overlays/i3status-rust/default.nix
deleted file mode 100644
index 1b78021..0000000
--- a/overlays/i3status-rust/default.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-final: prev:
-{
-  # overlay created because nixpkgs's `i3status-rust` depended on `notmuch`, and
-  # `notmuch`'s tests were briefly broken. the features I'm disabling, I don't
-  # need anyway: (at the time of writing)
-  #
-  # - notmuch
-  # - maildir
-  i3status-rust = prev.i3status-rust.overrideAttrs (oldAttrs: {
-    buildInputs = builtins.attrValues {
-      inherit (final)
-        dbus
-        openssl
-        pulseaudio
-      ;
-    };
-    cargoBuildFeatures = [ "pulseaudio" ];
-  });
-}