diff --git a/flake.lock b/flake.lock
index f70e21f952..fc64d19e38 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1687709756,
-        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1688465017,
-        "narHash": "sha256-xzFcCnzPOgQaX7Acprfqo+tqHJ2UKWC38pXrcqvdXHU=",
+        "lastModified": 1689230645,
+        "narHash": "sha256-5PKMCkMQIhdW6DFpNVm4DOQ81PoSPsYcTL3fqlBUWpA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0d5682acc109add20f70440269587a1b169cc2fe",
+        "rev": "686945e0c07d68a6ca624438f1623fd3284ec15d",
         "type": "github"
       },
       "original": {
@@ -51,11 +51,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1688438033,
-        "narHash": "sha256-wOmpZis06pVKTR+5meGwhrW10/buf98lnA26uQLaqek=",
+        "lastModified": 1689215707,
+        "narHash": "sha256-Wuqkwdjtox/CfCq71p1pVBRd0VTR1Hw3+cb/zdvxOHI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "c3e43223dece545cfe06ddd92fd782adc73d56c3",
+        "rev": "7a1c8fd0f90694af49b89181344096e3375f2e23",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 304411e0de..c0d4f64d34 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,60 +33,6 @@
           extensions = [ "rust-analyzer" "rust-src" ];
         };
 
-        # Pending an upstream Buck2 package we download pre-built system binaries.
-        # References: https://github.com/NixOS/nixpkgs/issues/226677
-        buck2 = pkgs.stdenv.mkDerivation rec {
-          # These are the primary variables to control the "version" of Buck2 that we want from S3.
-          #
-          # To upload the latest objects and get the hashes needed for this flake, run the update
-          # script from the support directory via Buck2 itself. You can run that target again to
-          # find the hashes, even if the objects have already been uploaded.
-
-          releaseDate = "2023-06-29";
-          hash = {
-            "x86_64-linux"   = "sha256-uCIbLPms8Ees8SYFZgMuDBKcd2AVdRES/AOzkuCbl1o=";
-            "aarch64-linux"  = "sha256-2f1MOzw+maXlw75Qfd9YIOF4447PuU+seHHGOJ2als0=";
-            "x86_64-darwin"  = "sha256-UFez/5wucCv54riuhsQKCw9EfyUW7xdacbYTVi9ZQ1U=";
-            "aarch64-darwin" = "sha256-pm9tf3aLllwq5ov3Fg9Umy25mpewGhBEjP5xSBzmFfQ=";
-          }.${system};
-
-          pname = "buck2";
-          version = "unstable-${releaseDate}";
-
-          nativeBuildInputs = with pkgs; [ zstd ];
-
-          triple = {
-            "x86_64-linux"   = "x86_64-unknown-linux-gnu";
-            "aarch64-linux"  = "aarch64-unknown-linux-gnu";
-            "x86_64-darwin"  = "x86_64-apple-darwin";
-            "aarch64-darwin" = "aarch64-apple-darwin";
-          }.${system};
-
-          urlPrefix = "https://buck2-binaries.s3.us-east-2.amazonaws.com/${releaseDate}";
-          archiveName = "buck2-${triple}.zst";
-
-          src = pkgs.fetchurl {
-            url = "${urlPrefix}/${archiveName}";
-            sha256 = hash;
-          };
-
-          unpackPhase = ":";
-          sourceRoot = ".";
-
-          installPhase = ''
-            mkdir -p $out/bin
-            zstd -d ${src} -o buck2
-            install -m755 -D buck2 $out/bin/buck2
-          '';
-
-          fixupPhase = if pkgs.stdenv.isLinux then ''
-            patchelf \
-              --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-              $out/bin/buck2
-          '' else
-            "";
-        };
-
       in with pkgs; {
         devShells.default = mkShell {
           packages = [