diff --git a/libimagentryfilter/src/builtin/header/version/eq.rs b/libimagentryfilter/src/builtin/header/version/eq.rs
index f2be5a28..0e28cfb2 100644
--- a/libimagentryfilter/src/builtin/header/version/eq.rs
+++ b/libimagentryfilter/src/builtin/header/version/eq.rs
@@ -3,7 +3,6 @@ use toml::Value;
 
 use libimagstore::store::Entry;
 
-use builtin::header::field_path::FieldPath;
 use filter::Filter;
 
 pub struct VersionEq {
diff --git a/libimagentryfilter/src/builtin/header/version/gt.rs b/libimagentryfilter/src/builtin/header/version/gt.rs
index 69f5da67..119e64a8 100644
--- a/libimagentryfilter/src/builtin/header/version/gt.rs
+++ b/libimagentryfilter/src/builtin/header/version/gt.rs
@@ -3,7 +3,6 @@ use toml::Value;
 
 use libimagstore::store::Entry;
 
-use builtin::header::field_path::FieldPath;
 use filter::Filter;
 
 pub struct VersionGt {
diff --git a/libimagentryfilter/src/builtin/header/version/lt.rs b/libimagentryfilter/src/builtin/header/version/lt.rs
index fd815475..6263f6de 100644
--- a/libimagentryfilter/src/builtin/header/version/lt.rs
+++ b/libimagentryfilter/src/builtin/header/version/lt.rs
@@ -3,7 +3,6 @@ use toml::Value;
 
 use libimagstore::store::Entry;
 
-use builtin::header::field_path::FieldPath;
 use filter::Filter;
 
 pub struct VersionLt {
diff --git a/libimagentryfilter/src/lib.rs b/libimagentryfilter/src/lib.rs
index f45c41e4..e76d3a32 100644
--- a/libimagentryfilter/src/lib.rs
+++ b/libimagentryfilter/src/lib.rs
@@ -1,3 +1,18 @@
+#![deny(
+    non_camel_case_types,
+    non_snake_case,
+    path_statements,
+    trivial_numeric_casts,
+    unstable_features,
+    unused_allocation,
+    unused_import_braces,
+    unused_imports,
+    unused_must_use,
+    unused_mut,
+    unused_qualifications,
+    while_true,
+)]
+
 #[macro_use] extern crate log;
 
 extern crate itertools;