diff --git a/Cargo.toml b/Cargo.toml
index e8a58b3a65..2e86f1e0d3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -115,7 +115,6 @@ restriction = { level = "warn", priority = -2 }
 
 arithmetic_side_effects = "allow" # TODO: consider
 as_conversions = "allow" # TODO: tricky
-cast_possible_truncation = "allow" # TODO: consider
 cast_precision_loss = "allow" # TODO: consider
 checked_conversions = "allow"
 collapsible_match = "allow"