diff --git a/core/vdbe/execute.rs b/core/vdbe/execute.rs
index ab1ca9995..9079d23a0 100644
--- a/core/vdbe/execute.rs
+++ b/core/vdbe/execute.rs
@@ -1597,7 +1597,7 @@ pub fn op_column(
                     if existing_text.value.capacity() >= new_text.value.len() {
                         existing_text.value.clear();
                         existing_text.value.extend_from_slice(&new_text.value);
-                        existing_text.subtype = new_text.subtype.clone();
+                        existing_text.subtype = new_text.subtype;
                     } else {
                         state.registers[*dest] = Register::Value(value);
                     }
@@ -4130,7 +4130,7 @@ pub fn op_function(
                     let columns_len = columns_json_array.array_len()?;
 
                     let mut record = ImmutableRecord::new(bin_record.len());
-                    record.start_serialization(&bin_record);
+                    record.start_serialization(bin_record);
                     let mut record_cursor = RecordCursor::new();
 
                     let mut json = json::jsonb::Jsonb::make_empty_obj(columns_len);
diff --git a/core/vdbe/mod.rs b/core/vdbe/mod.rs
index 776cbb9f8..56a90dcef 100644
--- a/core/vdbe/mod.rs
+++ b/core/vdbe/mod.rs
@@ -598,7 +598,7 @@ pub fn registers_to_ref_values(registers: &[Register]) -> Vec<RefValue> {
                 Value::Float(f) => RefValue::Float(*f),
                 Value::Text(t) => RefValue::Text(TextRef {
                     value: RawSlice::new(t.value.as_ptr(), t.value.len()),
-                    subtype: t.subtype.clone(),
+                    subtype: t.subtype,
                 }),
                 Value::Blob(b) => RefValue::Blob(RawSlice::new(b.as_ptr(), b.len())),
             }