diff --git a/flake.lock b/flake.lock
index eb8c0904bc8..1c842cb23f1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2285,22 +2285,6 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_14": {
-      "locked": {
-        "lastModified": 1728538411,
-        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1718428119,
@@ -2571,8 +2555,7 @@
           "nixpkgs"
         ],
         "nixpkgsLatest": "nixpkgsLatest",
-        "process-compose-flake": "process-compose-flake",
-        "rust-overlay": "rust-overlay_2"
+        "process-compose-flake": "process-compose-flake"
       }
     },
     "rust-overlay": {
@@ -2593,24 +2576,6 @@
         "type": "github"
       }
     },
-    "rust-overlay_2": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_14"
-      },
-      "locked": {
-        "lastModified": 1733970833,
-        "narHash": "sha256-sPEKtSaZk2CtfF9cdhtbY93S6qGq+d2PKI1fcoDfDaI=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "f7f4c59ccdf1bec3f1547d27398e9589aa94e3e8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
     "secp256k1": {
       "flake": false,
       "locked": {
diff --git a/flake.nix b/flake.nix
index feb978a1ae9..4e6c296437f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,6 @@
     cardano-node.url = "github:intersectmbo/cardano-node/10.1.2";
     mithril.url = "github:input-output-hk/mithril/2442.0";
     nix-npm-buildpackage.url = "github:serokell/nix-npm-buildpackage";
-    rust-overlay.url = "github:oxalica/rust-overlay";
   };
 
   outputs =
@@ -33,7 +32,6 @@
       # TODO remove when haskellNix updated to newer nixpkgs
     , nixpkgsLatest
     , cardano-node
-    , rust-overlay
     , ...
     } @ inputs:
     flake-parts.lib.mkFlake { inherit inputs; } {
@@ -71,7 +69,6 @@
               # Custom static libs used for darwin build
               (import ./nix/static-libs.nix)
               inputs.nix-npm-buildpackage.overlays.default
-              (import rust-overlay)
               # Specific versions of tools we require
               (final: prev: {
                 aiken = inputs.aiken.packages.${system}.aiken;
diff --git a/nix/hydra/shell.nix b/nix/hydra/shell.nix
index ed92aa708d1..91e43be7587 100644
--- a/nix/hydra/shell.nix
+++ b/nix/hydra/shell.nix
@@ -54,7 +54,6 @@ let
     pkgs.yq
     # Use latest jq in all shells, to avoid 1.6 bug with large integers.
     pkgsLatest.jq
-    pkgs.rust-bin.beta.latest.default
   ];
 
   libs = [