diff --git a/bindings/wasm/lib.rs b/bindings/wasm/lib.rs
index f4c02a8e..ec2762b9 100644
--- a/bindings/wasm/lib.rs
+++ b/bindings/wasm/lib.rs
@@ -267,7 +267,7 @@ impl DatabaseStorage {
 
 impl limbo_core::DatabaseStorage for DatabaseStorage {
     fn read_page(&self, page_idx: usize, c: Rc<limbo_core::Completion>) -> Result<()> {
-        let r = match &(*c) {
+        let r = match c.as_ref() {
             limbo_core::Completion::Read(r) => r,
             _ => unreachable!(),
         };
diff --git a/core/io/darwin.rs b/core/io/darwin.rs
index bdab24af..c052b572 100644
--- a/core/io/darwin.rs
+++ b/core/io/darwin.rs
@@ -190,7 +190,7 @@ impl File for DarwinFile {
     fn pread(&self, pos: usize, c: Rc<Completion>) -> Result<()> {
         let file = self.file.borrow();
         let result = {
-            let r = match &(*c) {
+            let r = match c.as_ref() {
                 Completion::Read(r) => r,
                 _ => unreachable!(),
             };
diff --git a/core/io/generic.rs b/core/io/generic.rs
index c8c5c45b..0c35eaf5 100644
--- a/core/io/generic.rs
+++ b/core/io/generic.rs
@@ -55,7 +55,7 @@ impl File for GenericFile {
         let mut file = self.file.borrow_mut();
         file.seek(std::io::SeekFrom::Start(pos as u64))?;
         {
-            let r = match &(*c) {
+            let r = match c.as_ref() {
                 Completion::Read(r) => r,
                 _ => unreachable!(),
             };
diff --git a/core/io/linux.rs b/core/io/linux.rs
index fde8a961..e765cc8a 100644
--- a/core/io/linux.rs
+++ b/core/io/linux.rs
@@ -241,7 +241,7 @@ impl File for LinuxFile {
     }
 
     fn pread(&self, pos: usize, c: Rc<Completion>) -> Result<()> {
-        let r = match &(*c) {
+        let r = match c.as_ref() {
             Completion::Read(r) => r,
             _ => unreachable!(),
         };
diff --git a/core/io/windows.rs b/core/io/windows.rs
index db7f9da3..8bf37a2f 100644
--- a/core/io/windows.rs
+++ b/core/io/windows.rs
@@ -57,7 +57,7 @@ impl File for WindowsFile {
         let mut file = self.file.borrow_mut();
         file.seek(std::io::SeekFrom::Start(pos as u64))?;
         {
-            let r = match &(*c) {
+            let r = match c.as_ref() {
                 Completion::Read(r) => r,
                 _ => unreachable!(),
             };
diff --git a/core/storage/database.rs b/core/storage/database.rs
index 75d83573..80a4e55c 100644
--- a/core/storage/database.rs
+++ b/core/storage/database.rs
@@ -25,7 +25,7 @@ pub struct FileStorage {
 #[cfg(feature = "fs")]
 impl DatabaseStorage for FileStorage {
     fn read_page(&self, page_idx: usize, c: Rc<Completion>) -> Result<()> {
-        let r = match &(*c) {
+        let r = match c.as_ref() {
             Completion::Read(r) => r,
             _ => unreachable!(),
         };