diff --git a/Cargo.toml b/Cargo.toml
index 34b270c..66e813b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,11 +10,18 @@ path = "main.rs"
 [dependencies]
 ab_glyph = "0.2.29"
 calamine = "0.26.1"
-chrono = "0.4.40"
 image = "0.25.6"
 imageproc = "0.25.0"
 printpdf = { version = "0.8.2", features = ["png"] }
 serde = "1.0.217"
-small_uid = "0.2.4"
 structopt = "0.3.26"
-tempfile = "3.19.1"
+
+[profile.dev]
+opt-level = 1
+[profile.dev.package."*"]
+opt-level = 3
+
+
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=/usr/bin/mold"]