diff --git a/hosts/jelly01/configuration.nix b/hosts/jelly01/configuration.nix
index 048ae1c..2e69519 100644
--- a/hosts/jelly01/configuration.nix
+++ b/hosts/jelly01/configuration.nix
@@ -64,9 +64,5 @@
   vault.enable = true;
   homelab.deploy.enable = true;
 
-  zramSwap = {
-    enable = true;
-  };
-
   system.stateVersion = "23.11"; # Did you read the comment?
 }
diff --git a/hosts/nix-cache01/default.nix b/hosts/nix-cache01/default.nix
index 435b31e..e5795a5 100644
--- a/hosts/nix-cache01/default.nix
+++ b/hosts/nix-cache01/default.nix
@@ -4,6 +4,5 @@
     ./configuration.nix
     ../../services/nix-cache
     ../../services/actions-runner
-    ./zram.nix
   ];
 }
diff --git a/hosts/nix-cache01/zram.nix b/hosts/nix-cache01/zram.nix
deleted file mode 100644
index 1b0509c..0000000
--- a/hosts/nix-cache01/zram.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ ... }:
-{
-  zramSwap = {
-    enable = true;
-  };
-}
diff --git a/system/default.nix b/system/default.nix
index a04e2bb..9ba5d06 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -12,5 +12,6 @@
     ./pki/root-ca.nix
     ./sshd.nix
     ./vault-secrets.nix
+    ./zram.nix
   ];
 }
diff --git a/system/zram.nix b/system/zram.nix
new file mode 100644
index 0000000..bb90208
--- /dev/null
+++ b/system/zram.nix
@@ -0,0 +1,8 @@
+# Compressed swap in RAM
+#
+# Provides overflow memory during Nix builds and upgrades.
+# Prevents OOM kills on low-memory hosts (2GB VMs).
+{ ... }:
+{
+  zramSwap.enable = true;
+}