diff --git a/.github/workflows/rustsec-audit.yml b/.github/workflows/rustsec-audit.yml
index 00c5876033..19eb1e81e4 100644
--- a/.github/workflows/rustsec-audit.yml
+++ b/.github/workflows/rustsec-audit.yml
@@ -14,7 +14,7 @@ on:
     - cron: "40 13 * * 0"
 jobs:
   security_audit:
-    runs-on: ${{ fromJson(github.repository_owner == 'autonomys' && '["self-hosted", "ubuntu-22.04-x86-64"]' || '"ubuntu-22.04"') }}
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: rustsec/audit-check@69366f33c96575abad1ee0dba8212993eecbe998 #v2.0.0
diff --git a/Cargo.lock b/Cargo.lock
index c4c9c6fb2b..6b59f2f7d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "Inflector"
@@ -2420,15 +2420,6 @@ dependencies = [
  "dirs-sys-next",
 ]
 
-[[package]]
-name = "dirs"
-version = "5.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225"
-dependencies = [
- "dirs-sys",
-]
-
 [[package]]
 name = "dirs-sys"
 version = "0.4.1"
@@ -12843,7 +12834,6 @@ dependencies = [
  "bip39",
  "clap",
  "cross-domain-message-gossip",
- "dirs",
  "domain-client-message-relayer",
  "domain-client-operator",
  "domain-eth-service",
@@ -12885,7 +12875,6 @@ dependencies = [
  "sp-core",
  "sp-domain-digests",
  "sp-domains",
- "sp-domains-fraud-proof",
  "sp-keystore",
  "sp-messenger",
  "sp-runtime",
diff --git a/crates/subspace-node/Cargo.toml b/crates/subspace-node/Cargo.toml
index b5dd8b0afd..9a9eca1cdb 100644
--- a/crates/subspace-node/Cargo.toml
+++ b/crates/subspace-node/Cargo.toml
@@ -15,11 +15,6 @@ include = [
     "/README.md"
 ]
 
-# TODO: remove when cargo-audit supports v4 lock files
-# https://github.com/rustsec/rustsec/issues/1249
-# This setting applies to the workspace lockfile, even though it's in a crate.
-rust-version = "1.81" # ensure we stay at lockfile v3
-
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
@@ -28,7 +23,6 @@ auto-id-domain-runtime = { version = "0.1.0", path = "../../domains/runtime/auto
 bip39 = { version = "2.0.0", features = ["rand"] }
 clap = { version = "4.5.18", features = ["derive"] }
 cross-domain-message-gossip = { version = "0.1.0", path = "../../domains/client/cross-domain-message-gossip" }
-dirs = "5.0.1"
 domain-client-message-relayer = { version = "0.1.0", path = "../../domains/client/relayer" }
 domain-client-operator = { version = "0.1.0", path = "../../domains/client/domain-operator" }
 domain-eth-service = { version = "0.1.0", path = "../../domains/client/eth-service" }
@@ -70,7 +64,6 @@ sp-consensus-subspace = { version = "0.1.0", path = "../sp-consensus-subspace" }
 sp-core = { git = "https://github.com/subspace/polkadot-sdk", rev = "94a1a8143a89bbe9f938c1939ff68abc1519a305" }
 sp-domains = { version = "0.1.0", path = "../sp-domains" }
 sp-domain-digests = { version = "0.1.0", path = "../../domains/primitives/digests" }
-sp-domains-fraud-proof = { version = "0.1.0", path = "../sp-domains-fraud-proof" }
 sp-keystore = { git = "https://github.com/subspace/polkadot-sdk", rev = "94a1a8143a89bbe9f938c1939ff68abc1519a305" }
 sp-messenger = { version = "0.1.0", path = "../../domains/primitives/messenger" }
 sp-runtime = { git = "https://github.com/subspace/polkadot-sdk", rev = "94a1a8143a89bbe9f938c1939ff68abc1519a305" }