diff --git a/src/internal/filter/size.rs b/src/internal/filter/size.rs
index fafd4b5..dcf0e32 100644
--- a/src/internal/filter/size.rs
+++ b/src/internal/filter/size.rs
@@ -80,8 +80,8 @@ mod tests {
         };
     }
 
-    /// Parsing and size conversion tests data. Ensure that each type gets properly interpreted.
-    /// Call with higher base values to ensure expected multiplication (only need a couple)
+    // Parsing and size conversion tests data. Ensure that each type gets properly interpreted.
+    // Call with higher base values to ensure expected multiplication (only need a couple)
     gen_size_filter_parse_test! {
         byte_plus:                ("+1b",     SizeFilter::Min(1)),
         byte_plus_multiplier:     ("+10b",    SizeFilter::Min(10)),
@@ -168,7 +168,7 @@ mod tests {
         };
     }
 
-    /// Invalid parse data
+    // Invalid parse data
     gen_size_filter_failure! {
         ensure_missing_symbol_returns_none: "10M",
         ensure_missing_number_returns_none: "+g",
diff --git a/src/internal/filter/time.rs b/src/internal/filter/time.rs
index 413ba8f..185cfd0 100644
--- a/src/internal/filter/time.rs
+++ b/src/internal/filter/time.rs
@@ -9,7 +9,6 @@ pub enum TimeFilter {
 
 impl TimeFilter {
     fn from_str(ref_time: &SystemTime, s: &str) -> Option<SystemTime> {
-        use humantime;
         humantime::parse_duration(s)
             .map(|duration| *ref_time - duration)
             .or_else(|_| humantime::parse_rfc3339_weak(s))
@@ -39,8 +38,6 @@ mod tests {
 
     #[test]
     fn is_time_filter_applicable() {
-        use humantime;
-
         let ref_time = humantime::parse_rfc3339("2010-10-10T10:10:10Z").unwrap();
         assert!(TimeFilter::after(&ref_time, "1min")
             .unwrap()