diff --git a/src/functions.rs b/src/functions.rs
index 6dfcb88..8f34f31 100644
--- a/src/functions.rs
+++ b/src/functions.rs
@@ -638,6 +638,7 @@ unsafe extern "C" fn call_boxed_step<A, D, T>(
             args: slice::from_raw_parts(argv, argc as usize),
         };
 
+        #[allow(clippy::unnecessary_cast)]
         if (*pac as *mut A).is_null() {
             *pac = Box::into_raw(Box::new((*boxed_aggr).init(&mut ctx)?));
         }
@@ -708,7 +709,9 @@ where
     // Within the xFinal callback, it is customary to set N=0 in calls to
     // sqlite3_aggregate_context(C,N) so that no pointless memory allocations occur.
     let a: Option<A> = match aggregate_context(ctx, 0) {
-        Some(pac) => {
+        Some(pac) =>
+        {
+            #[allow(clippy::unnecessary_cast)]
             if (*pac as *mut A).is_null() {
                 None
             } else {
@@ -753,7 +756,9 @@ where
     // Within the xValue callback, it is customary to set N=0 in calls to
     // sqlite3_aggregate_context(C,N) so that no pointless memory allocations occur.
     let a: Option<&A> = match aggregate_context(ctx, 0) {
-        Some(pac) => {
+        Some(pac) =>
+        {
+            #[allow(clippy::unnecessary_cast)]
             if (*pac as *mut A).is_null() {
                 None
             } else {