diff --git a/Cargo.toml b/Cargo.toml
index 9621680..3ee052c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,13 +28,13 @@ r2d2 = "0.8"
 uuid = { version = "1.0", features = ["v4", "fast-rng"] }
 
 [dependencies.rusqlite]
-version = "0.39"
+version = "0.40"
 
 [dev-dependencies]
 tempfile = "3"
 
 [dev-dependencies.rusqlite]
-version = "0.39"
+version = "0.40"
 features = ["trace"]
 
 
diff --git a/src/lib.rs b/src/lib.rs
index d00067b..bec297d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -153,7 +153,6 @@ impl r2d2::ManageConnection for SqliteConnectionManager {
                 connection()
             }
         }
-        .map_err(Into::into)
         .and_then(|mut c| match self.init {
             None => Ok(c),
             Some(ref init) => init(&mut c).map(|_| c),
@@ -167,7 +166,6 @@ impl r2d2::ManageConnection for SqliteConnectionManager {
             #[cfg(not(feature = "is-valid"))]
             "",
         )
-        .map_err(Into::into)
     }
 
     fn has_broken(&self, _: &mut Connection) -> bool {