diff --git a/Cargo.toml b/Cargo.toml
index 5eb25b4..b332f40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -75,6 +75,8 @@ unstable_features = "forbid"
 
 [workspace.lints.clippy]
 empty_loop = "forbid"
+disallowed-types = "deny"
+disallowed-methods = "deny"
 infinite_loop = "deny"
 mem_forget = "deny"
 dbg_macro = "warn"
diff --git a/clippy.toml b/clippy.toml
new file mode 100644
index 0000000..81e372a
--- /dev/null
+++ b/clippy.toml
@@ -0,0 +1,13 @@
+disallowed-types = [
+  # Inefficient. Use `.queue(…)` instead.
+  "crossterm::style::Stylize",
+  "crossterm::style::styled_content::StyledContent",
+]
+
+disallowed-methods = [
+  # We use `ahash` instead of the default hasher.
+  "std::collections::HashSet::new",
+  "std::collections::HashSet::with_capacity",
+  # Inefficient. Use `.queue(…)` instead.
+  "crossterm::style::style",
+]