diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index b8605b1..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,9 +0,0 @@
-[submodule "muvm"]
-	path = muvm
-	url = https://github.com/valpackett/muvm
-[submodule "libkrun"]
-	path = libkrun
-	url = https://github.com/containers/libkrun
-[submodule "libkrunfw"]
-	path = libkrunfw
-	url = https://github.com/containers/libkrunfw
diff --git a/flake.lock b/flake.lock
index 0d3256f..cd293d4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -54,13 +54,64 @@
         "type": "github"
       }
     },
+    "libkrun-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1764170836,
+        "narHash": "sha256-95B4otgPNoAD2WtAVYFeIwvDWCMvVCSFj5V8Obuk+Ks=",
+        "owner": "containers",
+        "repo": "libkrun",
+        "rev": "8a1467394189b51f5b0ec601352a0c3fd719d850",
+        "type": "github"
+      },
+      "original": {
+        "owner": "containers",
+        "repo": "libkrun",
+        "rev": "8a1467394189b51f5b0ec601352a0c3fd719d850",
+        "type": "github"
+      }
+    },
+    "libkrunfw-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1762790667,
+        "narHash": "sha256-tVQ0jGef8uJNo2L4Pmhy3ajVRKJ2Gs9oi44eOYAnmds=",
+        "owner": "containers",
+        "repo": "libkrunfw",
+        "rev": "8a8c33f24f72aa6ca017347dc2be45b6fa612af5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "containers",
+        "repo": "libkrunfw",
+        "rev": "8a8c33f24f72aa6ca017347dc2be45b6fa612af5",
+        "type": "github"
+      }
+    },
+    "muvm-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1763708092,
+        "narHash": "sha256-8K9XDnQbl/fh1Bsx1SwFuo5WVy5BztCjMPT6NW01lXQ=",
+        "owner": "valpackett",
+        "repo": "muvm",
+        "rev": "3ec4c90bbfb6d0111f91b898a7f17deb562f4f92",
+        "type": "github"
+      },
+      "original": {
+        "owner": "valpackett",
+        "repo": "muvm",
+        "rev": "3ec4c90bbfb6d0111f91b898a7f17deb562f4f92",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1763966396,
-        "narHash": "sha256-6eeL1YPcY1MV3DDStIDIdy/zZCDKgHdkCmsrLJFiZf0=",
+        "lastModified": 1764242076,
+        "narHash": "sha256-sKoIWfnijJ0+9e4wRvIgm/HgE27bzwQxcEmo2J/gNpI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5ae3b07d8d6527c42f17c876e404993199144b6a",
+        "rev": "2fad6eac6077f03fe109c4d4eb171cf96791faa4",
         "type": "github"
       },
       "original": {
@@ -73,6 +124,9 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
+        "libkrun-src": "libkrun-src",
+        "libkrunfw-src": "libkrunfw-src",
+        "muvm-src": "muvm-src",
         "nixpkgs": "nixpkgs",
         "sidebus": "sidebus",
         "virtwl": "virtwl"
diff --git a/flake.nix b/flake.nix
index 7161105..7352d48 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,17 +5,30 @@
   };
 
   inputs = {
-    self.submodules = true;
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    # nixpkgs.url = "git+https://github.com/valpackett/nixpkgs?shallow=1&submodules=1&ref=..";
     flake-utils.url = "github:numtide/flake-utils";
     virtwl.url = "git+https://github.com/valpackett/wayland-proxy-virtwl?shallow=1&submodules=1&ref=wip";
     virtwl.inputs.nixpkgs.follows = "nixpkgs";
     sidebus.url = "git+https://git.clan.lol/clan/sidebus?shallow=1&ref=main";
     sidebus.inputs.nixpkgs.follows = "nixpkgs";
+
+    # Sources for packages (replaces git submodules)
+    # Pinned to the same commits as the original submodules
+    muvm-src = {
+      url = "github:valpackett/muvm/3ec4c90bbfb6d0111f91b898a7f17deb562f4f92";
+      flake = false;
+    };
+    libkrun-src = {
+      url = "github:containers/libkrun/8a1467394189b51f5b0ec601352a0c3fd719d850";
+      flake = false;
+    };
+    libkrunfw-src = {
+      url = "github:containers/libkrunfw/8a8c33f24f72aa6ca017347dc2be45b6fa612af5";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs, flake-utils, virtwl, sidebus, ... }: {
+  outputs = { self, nixpkgs, flake-utils, virtwl, sidebus, muvm-src, libkrun-src, libkrunfw-src, ... }: {
     nixosModules.testvm = nixpkgs.lib.modules.importApply ./nixosModules/testvm.nix { inherit virtwl; };
     nixosModules.default = nixpkgs.lib.modules.importApply ./nixosModules/default.nix { inherit self virtwl sidebus; };
 
@@ -57,16 +70,20 @@
         packages = {
           # Packages support variant parameter: null (default), "sev", or "tdx"
           # To build a variant: packages.libkrunfw.override { variant = "sev"; }
-          libkrunfw = pkgs.callPackage ./packages/libkrunfw { };
+          libkrunfw = pkgs.callPackage ./packages/libkrunfw {
+            libkrunfw-src = libkrunfw-src;
+          };
 
           libkrun = pkgs.callPackage ./packages/libkrun {
             libkrunfw = self.packages.${system}.libkrunfw;
+            libkrun-src = libkrun-src;
           };
 
           mesa = pkgs.callPackage ./packages/mesa { };
 
           muvm = pkgs.callPackage ./packages/muvm {
             libkrun = self.packages.${system}.libkrun;
+            muvm-src = muvm-src;
           };
 
           munix = pkgs.callPackage ./packages/munix {
diff --git a/libkrun b/libkrun
deleted file mode 160000
index 8a14673..0000000
--- a/libkrun
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8a1467394189b51f5b0ec601352a0c3fd719d850
diff --git a/libkrunfw b/libkrunfw
deleted file mode 160000
index 8a8c33f..0000000
--- a/libkrunfw
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8a8c33f24f72aa6ca017347dc2be45b6fa612af5
diff --git a/muvm b/muvm
deleted file mode 160000
index 3ec4c90..0000000
--- a/muvm
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3ec4c90bbfb6d0111f91b898a7f17deb562f4f92
diff --git a/packages/libkrun/default.nix b/packages/libkrun/default.nix
index 0a2bf9d..dde2c4c 100644
--- a/packages/libkrun/default.nix
+++ b/packages/libkrun/default.nix
@@ -1,4 +1,4 @@
-{ libkrun, libkrunfw, rustPlatform, variant ? null, ... }:
+{ libkrun, libkrunfw, libkrun-src, rustPlatform, variant ? null, ... }:
 
 let
   libkrunfw' = libkrunfw.override { inherit variant; };
@@ -11,9 +11,8 @@ in
   inherit variant;
   libkrunfw = libkrunfw';
 }).overrideAttrs (old: {
-  src = ../../libkrun;
+  src = libkrun-src;
   cargoDeps = rustPlatform.importCargoLock {
-    lockFile = ../../libkrun/Cargo.lock;
+    lockFile = "${libkrun-src}/Cargo.lock";
   };
-  # mesonFlags = [ (lib.mesonOption "decoders" "gles,vulkan,composer") ]; # no magma(?)
 })
diff --git a/packages/libkrunfw/default.nix b/packages/libkrunfw/default.nix
index 8be0930..668e016 100644
--- a/packages/libkrunfw/default.nix
+++ b/packages/libkrunfw/default.nix
@@ -1,19 +1,12 @@
-{ libkrunfw, fetchurl, variant ? null, ... }:
+{ libkrunfw, libkrunfw-src, fetchurl, variant ? null, ... }:
 
 (libkrunfw.override {
   inherit variant;
 }).overrideAttrs (old: {
   version = "5.0.0";
-  src = ../../libkrunfw;
-  # src = fetchFromGitHub {
-  #   owner = "containers";
-  #   repo = "libkrunfw";
-  #   tag = "v4.10.0";
-  #   hash = "sha256-mq2gw0+xL6qUZE/fk0vLT3PEpzPV8p+iwRFJHXVOMnk=";
-  # };
+  src = libkrunfw-src;
   kernelSrc = fetchurl {
     url = "mirror://kernel/linux/kernel/v6.x/linux-6.12.44.tar.xz";
     hash = "sha256-tlAhDtMCeyJJadFIqjd0Uqmq065/KFGr7dMa3+8Wva4=";
   };
-  # buildInputs = old.buildInputs;
 })
diff --git a/packages/muvm/default.nix b/packages/muvm/default.nix
index 1fc8766..dd678d8 100644
--- a/packages/muvm/default.nix
+++ b/packages/muvm/default.nix
@@ -1,12 +1,12 @@
-{ muvm, libkrun, systemd, rustPlatform }:
+{ muvm, libkrun, muvm-src, systemd, rustPlatform }:
 
 (muvm.override {
   libkrun = libkrun;
 }).overrideAttrs (old: {
   postPatch = ""; # no more sysctl; udevd now takes the var anyway; XXX: fex
   MUVM_UDEVD_PATH = "${systemd}/lib/systemd/systemd-udevd";
-  src = ../../muvm;
+  src = muvm-src;
   cargoDeps = rustPlatform.importCargoLock {
-    lockFile = ../../muvm/Cargo.lock;
+    lockFile = "${muvm-src}/Cargo.lock";
   };
 })