diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 944af85..7b3aa09 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,8 +59,6 @@ jobs:
         with:
           path: ~/.ci-store
           key: build-store-x86_64-linux-${{ hashFiles('**/Cargo.lock', '**/flake.lock') }}-v1
-      - name: Build harmonic
-        run: nix build --store ~/.ci-store --print-build-logs .#packages.x86_64-linux.harmonic
       - name: Build harmonicStatic
         run: nix build --store ~/.ci-store --print-build-logs .#packages.x86_64-linux.harmonicStatic
       - name: Copy artifact
@@ -74,6 +72,31 @@ jobs:
           path: |
             harmonic
 
+  # Various feature variations or versions of the build which we expect to always work
+  # Since it uses the `build-store-x86_64-linux-*` cache it should be quite fast
+  build-variants-x86_64-linux:
+    name: Build x86_64 Linux (Variants)
+    runs-on: ubuntu-22.04
+    needs: build-x86_64-linux # Only run this if the normal checks work, to avoid clogging builders
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v17
+        with:
+          extra_nix_config: |
+            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - name: Cache build store (x86_64-linux)
+        id: build-store-x86_64-linux
+        uses: actions/cache@v3
+        with:
+          path: ~/.ci-store
+          key: build-store-x86_64-linux-${{ hashFiles('**/Cargo.lock', '**/flake.lock') }}-v1
+      - name: Build harmonic
+        run: nix build --store ~/.ci-store --print-build-logs .#packages.x86_64-linux.harmonic
+      - name: Test `nix develop` build without default features
+        run: nix develop --store ~/.ci-store --print-build-logs .# --command "cargo" build --no-default-features
+      - name: Test `nix develop` build all features
+        run: nix develop --store ~/.ci-store --print-build-logs .# --command "cargo" build --all-features
+
   run-x86_64-linux:
     name: Run x86_64 Linux
     runs-on: ubuntu-22.04
diff --git a/src/planner/linux/steam_deck.rs b/src/planner/linux/steam_deck.rs
index 600c737..4f7c745 100644
--- a/src/planner/linux/steam_deck.rs
+++ b/src/planner/linux/steam_deck.rs
@@ -73,15 +73,19 @@ use crate::{
     BuiltinPlanner,
 };
 
-#[derive(Debug, Clone, clap::Parser, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[cfg_attr(feature = "cli", derive(clap::Parser))]
 pub struct SteamDeck {
-    #[clap(
-        long,
-        env = "HARMONIC_STEAM_DECK_PERSISTENCE",
-        default_value = "/home/nix"
+    #[cfg_attr(
+        feature = "cli",
+        clap(
+            long,
+            env = "HARMONIC_STEAM_DECK_PERSISTENCE",
+            default_value = "/home/nix"
+        )
     )]
     persistence: PathBuf,
-    #[clap(flatten)]
+    #[cfg_attr(feature = "cli", clap(flatten))]
     pub settings: CommonSettings,
 }
 
diff --git a/src/settings.rs b/src/settings.rs
index f97513f..e9aafea 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -127,7 +127,7 @@ pub struct CommonSettings {
     pub(crate) nix_package_url: Url,
 
     /// Extra configuration lines for `/etc/nix.conf`
-    #[clap(long, env = "HARMONIC_EXTRA_CONF")]
+    #[cfg_attr(feature = "cli", clap(long, env = "HARMONIC_EXTRA_CONF"))]
     pub extra_conf: Vec<String>,
 
     /// If Harmonic should forcibly recreate files it finds existing