@@ -448,7 +448,7 @@ impl ByteUnit {
 fn parse_size_string(size: &str, label: &str) -> Result<usize, String> {
     static BYTE_SUFFIXES: LazyLock<HashMap<&'static str, ByteUnit>> =
         LazyLock::new(|| {
-            let mut m = HashMap::with_capacity(9);
+            let mut m = HashMap::new();
             m.insert("b", ByteUnit::Byte);
             m.insert("k", ByteUnit::KiB);
             m.insert("kb", ByteUnit::KiB);
 
@@ -421,7 +421,7 @@ impl ExtensionOptions for AwsOptions {
             }
         }
 
-        let mut v = Visitor(Vec::with_capacity(6));
+        let mut v = Visitor(vec![]);
         self.access_key_id.visit(&mut v, "access_key_id", "");
         self.secret_access_key
             .visit(&mut v, "secret_access_key", "");
@@ -506,7 +506,7 @@ impl ExtensionOptions for GcpOptions {
             }
         }
 
-        let mut v = Visitor(Vec::with_capacity(3));
+        let mut v = Visitor(vec![]);
         self.service_account_path
             .visit(&mut v, "service_account_path", "");
         self.service_account_key
 
@@ -50,7 +50,7 @@ impl SessionStateDefaults {
     /// returns a map of the default [`TableProviderFactory`]s
     pub fn default_table_factories() -> HashMap<String, Arc<dyn TableProviderFactory>> {
         let mut table_factories: HashMap<String, Arc<dyn TableProviderFactory>> =
-            HashMap::with_capacity(6);
+            HashMap::new();
         #[cfg(feature = "parquet")]
         table_factories.insert("PARQUET".into(), Arc::new(DefaultTableFactory::new()));
         table_factories.insert("CSV".into(), Arc::new(DefaultTableFactory::new()));
 
@@ -287,9 +287,8 @@ fn make_map_batch_internal(
 
     let key_field = Arc::new(Field::new("key", keys.data_type().clone(), false));
     let value_field = Arc::new(Field::new("value", values.data_type().clone(), true));
-    let mut entry_struct_buffer: VecDeque<(Arc<Field>, ArrayRef)> =
-        VecDeque::with_capacity(2);
-    let mut entry_offsets_buffer = VecDeque::with_capacity(2);
+    let mut entry_struct_buffer: VecDeque<(Arc<Field>, ArrayRef)> = VecDeque::new();
+    let mut entry_offsets_buffer = VecDeque::new();
     entry_offsets_buffer.push_back(0);
 
     entry_struct_buffer.push_back((Arc::clone(&key_field), Arc::clone(keys)));
 
@@ -1569,7 +1569,7 @@ impl OneSideHashJoiner {
         }
         // Process the build and probe side sorted filter expressions if both are present:
         // Collect the sorted filter expressions into a vector of (node_index, interval) tuples:
-        let mut filter_intervals = Vec::with_capacity(2);
+        let mut filter_intervals = vec![];
         for expr in [
             &build_side_sorted_filter_expr,
             &probe_side_sorted_filter_expr,
Original file line number	Diff line number	Diff line change
`@@ -421,7 +421,7 @@ impl ExtensionOptions for AwsOptions {`
`421`	`421`	`}`
`422`	`422`	`}`
`423`	`423`
`424`		`- let mut v = Visitor(Vec::with_capacity(6));`
	`424`	`+ let mut v = Visitor(vec![]);`
`425`	`425`	`self.access_key_id.visit(&mut v, "access_key_id", "");`
`426`	`426`	`self.secret_access_key`
`427`	`427`	`.visit(&mut v, "secret_access_key", "");`
`@@ -506,7 +506,7 @@ impl ExtensionOptions for GcpOptions {`
`506`	`506`	`}`
`507`	`507`	`}`
`508`	`508`
`509`		`- let mut v = Visitor(Vec::with_capacity(3));`
	`509`	`+ let mut v = Visitor(vec![]);`
`510`	`510`	`self.service_account_path`
`511`	`511`	`.visit(&mut v, "service_account_path", "");`
`512`	`512`	`self.service_account_key`
Original file line number	Diff line number	Diff line change
`@@ -1569,7 +1569,7 @@ impl OneSideHashJoiner {`
`1569`	`1569`	`}`
`1570`	`1570`	`// Process the build and probe side sorted filter expressions if both are present:`
`1571`	`1571`	`// Collect the sorted filter expressions into a vector of (node_index, interval) tuples:`
`1572`		`- let mut filter_intervals = Vec::with_capacity(2);`
	`1572`	`+ let mut filter_intervals = vec![];`
`1573`	`1573`	`for expr in [`
`1574`	`1574`	`&build_side_sorted_filter_expr,`
`1575`	`1575`	`&probe_side_sorted_filter_expr,`