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-rw-r--r--src/libgraphviz/lib.rs2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
index a34e4fb89ff..bb996e5f906 100644
--- a/src/libgraphviz/lib.rs
+++ b/src/libgraphviz/lib.rs
@@ -274,8 +274,6 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/",
        test(attr(allow(unused_variables), deny(warnings))))]
 
-#![deny(rust_2018_idioms)]
-
 #![feature(nll)]
 
 use LabelText::*;