diff --git a/milli/src/search/new/matches/matching_words.rs b/milli/src/search/new/matches/matching_words.rs
index a47a08c68..e737dc942 100644
--- a/milli/src/search/new/matches/matching_words.rs
+++ b/milli/src/search/new/matches/matching_words.rs
@@ -23,9 +23,9 @@ pub struct LocatedMatchingWords {
 
 /// Structure created from a query tree
 /// referencing words that match the given query tree.
-pub struct MatchingWords<'ctx> {
-    word_interner: &'ctx DedupInterner<String>,
-    phrase_interner: &'ctx DedupInterner<Phrase>,
+pub struct MatchingWords {
+    word_interner: DedupInterner<String>,
+    phrase_interner: DedupInterner<Phrase>,
     phrases: Vec<LocatedMatchingPhrase>,
     words: Vec<LocatedMatchingWords>,
 }
@@ -82,8 +82,8 @@ fn extract_matching_terms(term: &QueryTerm) -> (Vec<Interned<Phrase>>, Vec<Inter
     (matching_phrases, matching_words)
 }
 
-impl<'ctx> MatchingWords<'ctx> {
-    pub fn new(ctx: &'ctx SearchContext, located_terms: Vec<LocatedQueryTerm>) -> Self {
+impl MatchingWords {
+    pub fn new(ctx: SearchContext, located_terms: Vec<LocatedQueryTerm>) -> Self {
         let mut phrases = Vec::new();
         let mut words = Vec::new();
 
@@ -112,18 +112,18 @@ impl<'ctx> MatchingWords<'ctx> {
         Self {
             phrases,
             words,
-            word_interner: &ctx.word_interner,
-            phrase_interner: &ctx.phrase_interner,
+            word_interner: ctx.word_interner,
+            phrase_interner: ctx.phrase_interner,
         }
     }
 
     /// Returns an iterator over terms that match or partially match the given token.
-    pub fn match_token<'b>(&'ctx self, token: &'b Token<'b>) -> MatchesIter<'ctx, 'b> {
+    pub fn match_token<'a, 'b>(&'a self, token: &'b Token<'b>) -> MatchesIter<'a, 'b> {
         MatchesIter { matching_words: self, phrases: Box::new(self.phrases.iter()), token }
     }
 
     /// Try to match the token with one of the located_words.
-    fn match_unique_words(&'ctx self, token: &Token) -> Option<MatchType<'ctx>> {
+    fn match_unique_words<'a>(&'a self, token: &Token) -> Option<MatchType<'a>> {
         for located_words in &self.words {
             for word in &located_words.value {
                 let word = self.word_interner.get(*word);
@@ -148,7 +148,7 @@ impl<'ctx> MatchingWords<'ctx> {
 /// Iterator over terms that match the given token,
 /// This allow to lazily evaluate matches.
 pub struct MatchesIter<'a, 'b> {
-    matching_words: &'a MatchingWords<'a>,
+    matching_words: &'a MatchingWords,
     phrases: Box<dyn Iterator<Item = &'a LocatedMatchingPhrase> + 'a>,
     token: &'b Token<'b>,
 }
@@ -268,7 +268,7 @@ pub(crate) mod tests {
         let tokenizer = TokenizerBuilder::new().build();
         let tokens = tokenizer.tokenize("split this world");
         let query_terms = located_query_terms_from_string(&mut ctx, tokens, None).unwrap();
-        let matching_words = MatchingWords::new(&ctx, query_terms);
+        let matching_words = MatchingWords::new(ctx, query_terms);
 
         assert_eq!(
             matching_words
diff --git a/milli/src/search/new/matches/mod.rs b/milli/src/search/new/matches/mod.rs
index 33d0591a6..9b73c2098 100644
--- a/milli/src/search/new/matches/mod.rs
+++ b/milli/src/search/new/matches/mod.rs
@@ -14,17 +14,17 @@ const DEFAULT_HIGHLIGHT_PREFIX: &str = "<em>";
 const DEFAULT_HIGHLIGHT_SUFFIX: &str = "</em>";
 
 /// Structure used to build a Matcher allowing to customize formating tags.
-pub struct MatcherBuilder<'a, 'ctx, A> {
-    matching_words: MatchingWords<'ctx>,
+pub struct MatcherBuilder<'a, A> {
+    matching_words: MatchingWords,
     tokenizer: Tokenizer<'a, 'a, A>,
     crop_marker: Option<String>,
     highlight_prefix: Option<String>,
     highlight_suffix: Option<String>,
 }
 
-impl<'a, 'ctx, A> MatcherBuilder<'a, 'ctx, A> {
+impl<'a, A> MatcherBuilder<'a, A> {
     pub fn new(
-        ctx: &'ctx SearchContext,
+        ctx: SearchContext,
         located_terms: Vec<LocatedQueryTerm>,
         tokenizer: Tokenizer<'a, 'a, A>,
     ) -> Self {
@@ -112,7 +112,7 @@ pub struct MatchBounds {
 /// and format the source string, returning a highlighted and cropped sub-string.
 pub struct Matcher<'t, 'm, A> {
     text: &'t str,
-    matching_words: &'m MatchingWords<'m>,
+    matching_words: &'m MatchingWords,
     tokenizer: &'m Tokenizer<'m, 'm, A>,
     crop_marker: &'m str,
     highlight_prefix: &'m str,
@@ -509,11 +509,11 @@ mod tests {
     use super::super::located_query_terms_from_string;
     use super::*;
 
-    impl<'a, 'ctx> MatcherBuilder<'a, 'ctx, &[u8]> {
-        pub fn new_test(ctx: &'ctx mut SearchContext, query: &'a str) -> Self {
+    impl<'a, 'ctx> MatcherBuilder<'a, &[u8]> {
+        pub fn new_test(mut ctx: SearchContext, query: &'a str) -> Self {
             let tokenizer = TokenizerBuilder::new().build();
             let tokens = tokenizer.tokenize(query);
-            let query_terms = located_query_terms_from_string(ctx, tokens, None).unwrap();
+            let query_terms = located_query_terms_from_string(&mut ctx, tokens, None).unwrap();
             Self::new(ctx, query_terms, TokenizerBuilder::new().build())
         }
     }
@@ -522,8 +522,8 @@ mod tests {
     fn format_identity() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "split the world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "split the world");
 
         let format_options = FormatOptions { highlight: false, crop: None };
 
@@ -550,8 +550,8 @@ mod tests {
     fn format_highlight() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "split the world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "split the world");
 
         let format_options = FormatOptions { highlight: true, crop: None };
 
@@ -594,8 +594,8 @@ mod tests {
     fn highlight_unicode() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "world");
         let format_options = FormatOptions { highlight: true, crop: None };
 
         // Text containing prefix match.
@@ -616,7 +616,8 @@ mod tests {
             @"<em>Ŵôřlḑ</em>"
         );
 
-        let builder = MatcherBuilder::new_test(&mut ctx, "westfali");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "westfali");
         let format_options = FormatOptions { highlight: true, crop: None };
 
         // Text containing unicode match.
@@ -633,8 +634,8 @@ mod tests {
     fn format_crop() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "split the world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "split the world");
 
         let format_options = FormatOptions { highlight: false, crop: Some(10) };
 
@@ -731,8 +732,8 @@ mod tests {
     fn format_highlight_crop() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "split the world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "split the world");
 
         let format_options = FormatOptions { highlight: true, crop: Some(10) };
 
@@ -794,8 +795,8 @@ mod tests {
         //! testing: https://github.com/meilisearch/specifications/pull/120#discussion_r836536295
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let builder = MatcherBuilder::new_test(&mut ctx, "split the world");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let builder = MatcherBuilder::new_test(ctx, "split the world");
 
         let text = "void void split the world void void.";
 
@@ -831,8 +832,8 @@ mod tests {
     fn partial_matches() {
         let temp_index = temp_index_with_documents();
         let rtxn = temp_index.read_txn().unwrap();
-        let mut ctx = SearchContext::new(&temp_index, &rtxn);
-        let mut builder = MatcherBuilder::new_test(&mut ctx, "the \"t he\" door \"do or\"");
+        let ctx = SearchContext::new(&temp_index, &rtxn);
+        let mut builder = MatcherBuilder::new_test(ctx, "the \"t he\" door \"do or\"");
         builder.highlight_prefix("_".to_string());
         builder.highlight_suffix("_".to_string());