diff --git a/hosts/idols_kana/default.nix b/hosts/idols_kana/default.nix
index 96fd4965..1ee7ddae 100644
--- a/hosts/idols_kana/default.nix
+++ b/hosts/idols_kana/default.nix
@@ -14,8 +14,6 @@ let
 in {
   imports = mylib.scanPaths ./.;
 
-  # Enable binfmt emulation of aarch64-linux, this is required for cross compilation.
-  boot.binfmt.emulatedSystems = ["aarch64-linux" "riscv64-linux"];
   # supported file systems, so we can mount any removable disks with these filesystems
   boot.supportedFilesystems = [
     "ext4"
diff --git a/hosts/idols_ruby/default.nix b/hosts/idols_ruby/default.nix
index 519d6c1c..9631a767 100644
--- a/hosts/idols_ruby/default.nix
+++ b/hosts/idols_ruby/default.nix
@@ -14,8 +14,6 @@ let
 in {
   imports = mylib.scanPaths ./.;
 
-  # Enable binfmt emulation of aarch64-linux, this is required for cross compilation.
-  boot.binfmt.emulatedSystems = ["aarch64-linux" "riscv64-linux"];
   # supported file systems, so we can mount any removable disks with these filesystems
   boot.supportedFilesystems = [
     "ext4"