diff --git a/Cargo.lock b/Cargo.lock
index 63b83af..e8da140 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -328,15 +328,6 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
-[[package]]
-name = "block-buffer"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "block2"
 version = "0.6.2"
@@ -573,15 +564,6 @@ version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "533d38ecd2709b7608fb8e18e4504deb99e9a72879e6aa66373a76d8dc4259ea"
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -612,16 +594,6 @@ version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
-[[package]]
-name = "crypto-common"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
-dependencies = [
- "generic-array",
- "typenum",
-]
-
 [[package]]
 name = "deranged"
 version = "0.5.5"
@@ -631,16 +603,6 @@ dependencies = [
  "powerfmt",
 ]
 
-[[package]]
-name = "digest"
-version = "0.10.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
-dependencies = [
- "block-buffer",
- "crypto-common",
-]
-
 [[package]]
 name = "dirs"
 version = "5.0.1"
@@ -1056,16 +1018,6 @@ dependencies = [
  "windows-result 0.4.1",
 ]
 
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.16"
@@ -2104,19 +2056,6 @@ dependencies = [
  "tempfile",
 ]
 
-[[package]]
-name = "nix"
-version = "0.29.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
-dependencies = [
- "bitflags",
- "cfg-if",
- "cfg_aliases",
- "libc",
- "memoffset",
-]
-
 [[package]]
 name = "nix"
 version = "0.30.1"
@@ -2147,7 +2086,7 @@ dependencies = [
  "mac-notification-sys",
  "serde",
  "tauri-winrt-notification",
- "zbus 5.12.0",
+ "zbus",
 ]
 
 [[package]]
@@ -2417,9 +2356,7 @@ dependencies = [
  "serde_json",
  "tempfile",
  "thiserror 2.0.17",
- "tokio",
  "toml 0.8.23",
- "zbus 4.4.0",
 ]
 
 [[package]]
@@ -2810,7 +2747,7 @@ dependencies = [
  "bytes",
  "getrandom 0.3.4",
  "lru-slab",
- "rand 0.9.2",
+ "rand",
  "ring",
  "rustc-hash",
  "rustls",
@@ -2851,35 +2788,14 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
-[[package]]
-name = "rand"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
 [[package]]
 name = "rand"
 version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
- "rand_chacha 0.9.0",
- "rand_core 0.9.3",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -2889,16 +2805,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.9.3",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-dependencies = [
- "getrandom 0.2.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -3355,17 +3262,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "sha1"
-version = "0.10.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
-dependencies = [
- "cfg-if",
- "cpufeatures",
- "digest",
-]
-
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -3682,7 +3578,6 @@ dependencies = [
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
- "tracing",
  "windows-sys 0.61.2",
 ]
 
@@ -3961,12 +3856,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc7d623258602320d5c55d1bc22793b57daff0ec7efc270ea7d55ce1d5f5471c"
 
-[[package]]
-name = "typenum"
-version = "1.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
-
 [[package]]
 name = "typewit"
 version = "1.14.2"
@@ -4653,16 +4542,6 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fb433233f2df9344722454bc7e96465c9d03bff9d77c248f9e7523fe79585b5"
 
-[[package]]
-name = "xdg-home"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec1cdab258fb55c0da61328dc52c8764709b249011b2cad0454c72f0bf10a1f6"
-dependencies = [
- "libc",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "xml-rs"
 version = "0.8.28"
@@ -4692,39 +4571,6 @@ dependencies = [
  "synstructure",
 ]
 
-[[package]]
-name = "zbus"
-version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb97012beadd29e654708a0fdb4c84bc046f537aecfde2c3ee0a9e4b4d48c725"
-dependencies = [
- "async-broadcast",
- "async-process",
- "async-recursion",
- "async-trait",
- "enumflags2",
- "event-listener",
- "futures-core",
- "futures-sink",
- "futures-util",
- "hex",
- "nix 0.29.0",
- "ordered-stream",
- "rand 0.8.5",
- "serde",
- "serde_repr",
- "sha1",
- "static_assertions",
- "tokio",
- "tracing",
- "uds_windows",
- "windows-sys 0.52.0",
- "xdg-home",
- "zbus_macros 4.4.0",
- "zbus_names 3.0.0",
- "zvariant 4.2.0",
-]
-
 [[package]]
 name = "zbus"
 version = "5.12.0"
@@ -4745,7 +4591,7 @@ dependencies = [
  "futures-core",
  "futures-lite",
  "hex",
- "nix 0.30.1",
+ "nix",
  "ordered-stream",
  "serde",
  "serde_repr",
@@ -4754,22 +4600,9 @@ dependencies = [
  "uuid",
  "windows-sys 0.61.2",
  "winnow",
- "zbus_macros 5.12.0",
- "zbus_names 4.2.0",
- "zvariant 5.8.0",
-]
-
-[[package]]
-name = "zbus_macros"
-version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "267db9407081e90bbfa46d841d3cbc60f59c0351838c4bc65199ecd79ab1983e"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn 2.0.111",
- "zvariant_utils 2.1.0",
+ "zbus_macros",
+ "zbus_names",
+ "zvariant",
 ]
 
 [[package]]
@@ -4782,20 +4615,9 @@ dependencies = [
  "proc-macro2",
  "quote",
  "syn 2.0.111",
- "zbus_names 4.2.0",
- "zvariant 5.8.0",
- "zvariant_utils 3.2.1",
-]
-
-[[package]]
-name = "zbus_names"
-version = "3.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b9b1fef7d021261cc16cba64c351d291b715febe0fa10dc3a443ac5a5022e6c"
-dependencies = [
- "serde",
- "static_assertions",
- "zvariant 4.2.0",
+ "zbus_names",
+ "zvariant",
+ "zvariant_utils",
 ]
 
 [[package]]
@@ -4807,7 +4629,7 @@ dependencies = [
  "serde",
  "static_assertions",
  "winnow",
- "zvariant 5.8.0",
+ "zvariant",
 ]
 
 [[package]]
@@ -4896,19 +4718,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6d6085d62852e35540689d1f97ad663e3971fc19cf5eceab364d62c646ea167"
 
-[[package]]
-name = "zvariant"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2084290ab9a1c471c38fc524945837734fbf124487e105daec2bb57fd48c81fe"
-dependencies = [
- "endi",
- "enumflags2",
- "serde",
- "static_assertions",
- "zvariant_derive 4.2.0",
-]
-
 [[package]]
 name = "zvariant"
 version = "5.8.0"
@@ -4919,21 +4728,8 @@ dependencies = [
  "enumflags2",
  "serde",
  "winnow",
- "zvariant_derive 5.8.0",
- "zvariant_utils 3.2.1",
-]
-
-[[package]]
-name = "zvariant_derive"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73e2ba546bda683a90652bac4a279bc146adad1386f25379cf73200d2002c449"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn 2.0.111",
- "zvariant_utils 2.1.0",
+ "zvariant_derive",
+ "zvariant_utils",
 ]
 
 [[package]]
@@ -4946,18 +4742,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "syn 2.0.111",
- "zvariant_utils 3.2.1",
-]
-
-[[package]]
-name = "zvariant_utils"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51bcff7cc3dbb5055396bcf774748c3dab426b4b8659046963523cee4808340"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.111",
+ "zvariant_utils",
 ]
 
 [[package]]
diff --git a/crates/owlry/Cargo.toml b/crates/owlry/Cargo.toml
index 905176d..ad87d88 100644
--- a/crates/owlry/Cargo.toml
+++ b/crates/owlry/Cargo.toml
@@ -20,9 +20,6 @@ gtk4 = { version = "0.10", features = ["v4_12"] }
 # Layer shell support for Wayland overlay behavior
 gtk4-layer-shell = "0.7"
 
-# Async runtime for non-blocking operations
-tokio = { version = "1", features = ["rt", "sync", "process", "fs"] }
-
 # Fuzzy matching for search
 fuzzy-matcher = "0.3"
 
@@ -49,8 +46,8 @@ toml = "0.8"
 # CLI argument parsing
 clap = { version = "4", features = ["derive"] }
 
-# Math expression evaluation for calculator
-meval = "0.2"
+# Math expression evaluation (for Lua plugins)
+meval = { version = "0.2", optional = true }
 
 # JSON serialization for data persistence
 serde_json = "1"
@@ -58,11 +55,8 @@ serde_json = "1"
 # Date/time for frecency calculations
 chrono = { version = "0.4", features = ["serde"] }
 
-# D-Bus for MPRIS media player integration
-zbus = { version = "4", default-features = false, features = ["tokio"] }
-
-# HTTP client for weather API
-reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "json", "blocking"] }
+# HTTP client (for Lua plugins)
+reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "json", "blocking"], optional = true }
 
 # Lua runtime for plugin system (optional - can be loaded dynamically via owlry-lua)
 mlua = { version = "0.10", features = ["lua54", "vendored", "send", "serialize"], optional = true }
@@ -85,8 +79,9 @@ tempfile = "3"
 glib-build-tools = "0.20"
 
 [features]
-default = ["lua"]
+default = []
 # Enable verbose debug logging (for development/testing builds)
 dev-logging = []
 # Enable built-in Lua runtime (disable to use external owlry-lua package)
-lua = ["dep:mlua"]
+# Includes: mlua, meval (math), reqwest (http)
+lua = ["dep:mlua", "dep:meval", "dep:reqwest"]
diff --git a/justfile b/justfile
index 9d8714e..b52ac8a 100644
--- a/justfile
+++ b/justfile
@@ -51,7 +51,10 @@ install-local:
     set -euo pipefail
 
     echo "Building release..."
-    cargo build --workspace --release
+    # Build core without embedded Lua (smaller binary)
+    cargo build -p owlry --release --no-default-features
+    # Build plugins
+    cargo build --workspace --release --exclude owlry
 
     echo "Creating directories..."
     sudo mkdir -p /usr/lib/owlry/plugins