diff --git a/src/busy.rs b/src/busy.rs
index f801e3f..b9bfc65 100644
--- a/src/busy.rs
+++ b/src/busy.rs
@@ -137,7 +137,7 @@ mod test {
     #[test]
     #[ignore] // FIXME: unstable
     fn test_busy_handler() {
-        lazy_static! {
+        lazy_static::lazy_static! {
             static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         fn busy_handler(_: i32) -> bool {
diff --git a/src/hooks.rs b/src/hooks.rs
index 3131462..946407a 100644
--- a/src/hooks.rs
+++ b/src/hooks.rs
@@ -237,6 +237,7 @@ mod test {
     use super::Action;
     use crate::Connection;
     use std::sync::atomic::{AtomicBool, Ordering};
+    use lazy_static::lazy_static;
 
     #[test]
     fn test_commit_hook() {
diff --git a/src/lib.rs b/src/lib.rs
index d7883529..31c483c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -58,12 +58,6 @@
 
 pub use libsqlite3_sys as ffi;
 
-#[macro_use]
-extern crate bitflags;
-#[cfg(any(test, feature = "vtab"))]
-#[macro_use]
-extern crate lazy_static;
-
 use std::cell::RefCell;
 use std::convert;
 use std::default::Default;
@@ -761,7 +755,7 @@ impl fmt::Debug for Connection {
     }
 }
 
-bitflags! {
+bitflags::bitflags! {
     #[doc = "Flags for opening SQLite database connections."]
     #[doc = "See [sqlite3_open_v2](http://www.sqlite.org/c3ref/open.html) for details."]
     #[repr(C)]
diff --git a/src/session.rs b/src/session.rs
index 4ff88b6..bce3e1a 100644
--- a/src/session.rs
+++ b/src/session.rs
@@ -822,7 +822,7 @@ mod test {
         db.execute_batch("CREATE TABLE foo(t TEXT PRIMARY KEY NOT NULL);")
             .unwrap();
 
-        lazy_static! {
+        lazy_static::lazy_static! {
             static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.apply(
diff --git a/src/trace.rs b/src/trace.rs
index 8af3f27..d6f3969 100644
--- a/src/trace.rs
+++ b/src/trace.rs
@@ -124,6 +124,7 @@ impl Connection {
 mod test {
     use std::sync::Mutex;
     use std::time::Duration;
+    use lazy_static::lazy_static;
 
     use crate::Connection;
 
diff --git a/src/vtab/array.rs b/src/vtab/array.rs
index 1b4bd46..5a572a1 100644
--- a/src/vtab/array.rs
+++ b/src/vtab/array.rs
@@ -35,7 +35,7 @@ pub fn load_module(conn: &Connection) -> Result<()> {
     conn.create_module("rarray", &ARRAY_MODULE, aux)
 }
 
-lazy_static! {
+lazy_static::lazy_static! {
     static ref ARRAY_MODULE: Module<ArrayTab> = eponymous_only_module::<ArrayTab>(1);
 }
 
diff --git a/src/vtab/csvtab.rs b/src/vtab/csvtab.rs
index bf092b0..acae3fc 100644
--- a/src/vtab/csvtab.rs
+++ b/src/vtab/csvtab.rs
@@ -32,7 +32,7 @@ pub fn load_module(conn: &Connection) -> Result<()> {
     conn.create_module("csv", &CSV_MODULE, aux)
 }
 
-lazy_static! {
+lazy_static::lazy_static! {
     static ref CSV_MODULE: Module<CSVTab> = read_only_module::<CSVTab>(1);
 }
 
diff --git a/src/vtab/mod.rs b/src/vtab/mod.rs
index 2a7191d..5ec10ca 100644
--- a/src/vtab/mod.rs
+++ b/src/vtab/mod.rs
@@ -234,7 +234,7 @@ pub trait CreateVTab: VTab {
     }
 }
 
-bitflags! {
+bitflags::bitflags! {
     #[doc = "Index constraint operator."]
     #[repr(C)]
     pub struct IndexConstraintOp: ::std::os::raw::c_uchar {
diff --git a/src/vtab/series.rs b/src/vtab/series.rs
index 722ed4b..c0d1100 100644
--- a/src/vtab/series.rs
+++ b/src/vtab/series.rs
@@ -18,7 +18,7 @@ pub fn load_module(conn: &Connection) -> Result<()> {
     conn.create_module("generate_series", &SERIES_MODULE, aux)
 }
 
-lazy_static! {
+lazy_static::lazy_static! {
     static ref SERIES_MODULE: Module<SeriesTab> = eponymous_only_module::<SeriesTab>(1);
 }
 
@@ -28,7 +28,7 @@ const SERIES_COLUMN_START: c_int = 1;
 const SERIES_COLUMN_STOP: c_int = 2;
 const SERIES_COLUMN_STEP: c_int = 3;
 
-bitflags! {
+bitflags::bitflags! {
     #[repr(C)]
     struct QueryPlanFlags: ::std::os::raw::c_int {
         // start = $value  -- constraint exists
diff --git a/tests/config_log.rs b/tests/config_log.rs
index d51acf5..aa90b94 100644
--- a/tests/config_log.rs
+++ b/tests/config_log.rs
@@ -2,14 +2,11 @@
 //! function affects SQLite process-wide and so is not safe to run as a normal
 //! #[test] in the library.
 
-#[cfg(feature = "trace")]
-#[macro_use]
-extern crate lazy_static;
-
 #[cfg(feature = "trace")]
 fn main() {
     use std::os::raw::c_int;
     use std::sync::Mutex;
+    use lazy_static::lazy_static;
 
     lazy_static! {
         static ref LOGS_RECEIVED: Mutex<Vec<(c_int, String)>> = Mutex::new(Vec::new());