diff --git a/deny.toml b/deny.toml
index f33631290..01bf36ca6 100644
--- a/deny.toml
+++ b/deny.toml
@@ -72,15 +72,10 @@ skip = [
     { name = "clap", version = "=2.34.0" },
     { name = "strsim", version = "=0.8.0" },
     { name = "textwrap", version = "=0.11.0" },
-    { name = "cpp_common", version = "=0.4.0" },
     # quickcheck
     { name = "env_logger", version = "=0.8.4" },
     # tempfile
     { name = "remove_dir_all", version = "=0.5.3" },
-    # cpp_*
-    { name = "memchr", version = "=1.0.2" },
-    { name = "quote", version = "=0.3.15" },
-    { name = "unicode-xid", version = "=0.0.4" },
 ]
 # spell-checker: enable