diff --git a/src/query/all_query.rs b/src/query/all_query.rs
index b96c3258c..feef739f7 100644
--- a/src/query/all_query.rs
+++ b/src/query/all_query.rs
@@ -6,7 +6,6 @@ use Result;
 use DocSet;
 use Score;
 use DocId;
-use std::any::Any;
 use core::Searcher;
 
 /// Query that matches all of the documents.
@@ -16,10 +15,6 @@ use core::Searcher;
 pub struct AllQuery;
 
 impl Query for AllQuery {
-    fn as_any(&self) -> &Any {
-        self
-    }
-
     fn weight(&self, _: &Searcher, _: bool) -> Result<Box<Weight>> {
         Ok(box AllWeight)
     }
diff --git a/src/query/boolean_query/boolean_query.rs b/src/query/boolean_query/boolean_query.rs
index eae85efbc..79fc0f144 100644
--- a/src/query/boolean_query/boolean_query.rs
+++ b/src/query/boolean_query/boolean_query.rs
@@ -1,5 +1,4 @@
 use Result;
-use std::any::Any;
 use super::boolean_weight::BooleanWeight;
 use query::Weight;
 use Searcher;
@@ -33,10 +32,6 @@ impl From<Vec<(Occur, Box<Query>)>> for BooleanQuery {
 }
 
 impl Query for BooleanQuery {
-    fn as_any(&self) -> &Any {
-        self
-    }
-
     fn weight(&self, searcher: &Searcher, scoring_enabled: bool) -> Result<Box<Weight>> {
         let sub_weights = self.subqueries
             .iter()
diff --git a/src/query/phrase_query/phrase_query.rs b/src/query/phrase_query/phrase_query.rs
index ccdc9b2db..79f4236e6 100644
--- a/src/query/phrase_query/phrase_query.rs
+++ b/src/query/phrase_query/phrase_query.rs
@@ -2,7 +2,6 @@ use schema::Term;
 use query::Query;
 use core::searcher::Searcher;
 use super::PhraseWeight;
-use std::any::Any;
 use query::Weight;
 use Result;
 
@@ -26,12 +25,6 @@ pub struct PhraseQuery {
 }
 
 impl Query for PhraseQuery {
-    /// Used to make it possible to cast Box<Query>
-    /// into a specific type. This is mostly useful for unit tests.
-    fn as_any(&self) -> &Any {
-        self
-    }
-
     /// Create the weight associated to a query.
     ///
     /// See [`Weight`](./trait.Weight.html).
diff --git a/src/query/query.rs b/src/query/query.rs
index 7f127a5ee..89dadc888 100644
--- a/src/query/query.rs
+++ b/src/query/query.rs
@@ -5,7 +5,6 @@ use common::TimerTree;
 use SegmentLocalId;
 use super::Weight;
 use std::fmt;
-use std::any::Any;
 
 /// The `Query` trait defines a set of documents and a scoring method
 /// for those documents.
@@ -41,9 +40,6 @@ use std::any::Any;
 /// When implementing a new type of `Query`, it is normal to implement a
 /// dedicated `Query`, `Weight` and `Scorer`.
 pub trait Query: fmt::Debug {
-    /// Used to make it possible to cast Box<Query>
-    /// into a specific type. This is mostly useful for unit tests.
-    fn as_any(&self) -> &Any;
 
     /// Create the weight associated to a query.
     ///
diff --git a/src/query/range_query.rs b/src/query/range_query.rs
index 5f2284521..43b611352 100644
--- a/src/query/range_query.rs
+++ b/src/query/range_query.rs
@@ -4,7 +4,6 @@ use termdict::{TermDictionary, TermStreamer, TermStreamerBuilder};
 use core::SegmentReader;
 use common::BitSet;
 use Result;
-use std::any::Any;
 use core::Searcher;
 use query::BitSetDocSet;
 use query::ConstScorer;
@@ -129,10 +128,6 @@ impl RangeQuery {
 }
 
 impl Query for RangeQuery {
-    fn as_any(&self) -> &Any {
-        self
-    }
-
     fn weight(&self, _searcher: &Searcher, _scoring_enabled: bool) -> Result<Box<Weight>> {
         Ok(box RangeWeight {
             field: self.field,
diff --git a/src/query/term_query/term_query.rs b/src/query/term_query/term_query.rs
index 99b42038e..79295d93f 100644
--- a/src/query/term_query/term_query.rs
+++ b/src/query/term_query/term_query.rs
@@ -5,7 +5,6 @@ use query::Query;
 use query::Weight;
 use schema::IndexRecordOption;
 use Searcher;
-use std::any::Any;
 
 /// A Term query matches all of the documents
 /// containing a specific term.
@@ -53,10 +52,6 @@ impl TermQuery {
 }
 
 impl Query for TermQuery {
-    fn as_any(&self) -> &Any {
-        self
-    }
-
     fn weight(&self, searcher: &Searcher, scoring_enabled: bool) -> Result<Box<Weight>> {
         Ok(box self.specialized_weight(searcher, scoring_enabled))
     }