diff --git a/umskt/src/confid/black_box.rs b/umskt/src/confid/black_box.rs
index d1f17ba..e074cde 100644
--- a/umskt/src/confid/black_box.rs
+++ b/umskt/src/confid/black_box.rs
@@ -634,7 +634,7 @@ fn divisor_add(src1: &TDivisor, src2: &TDivisor, dst: &mut TDivisor) {
     };
 }
 
-unsafe fn divisor_mul128(src: &TDivisor, mut mult_lo: u64, mut mult_hi: u64, dst: &mut TDivisor) {
+fn divisor_mul128(src: &TDivisor, mut mult_lo: u64, mut mult_hi: u64, dst: &mut TDivisor) {
     if mult_lo == 0_i32 as u64 && mult_hi == 0_i32 as u64 {
         dst.u[0_i32 as usize] = BAD;
         dst.u[1_i32 as usize] = BAD;