diff --git a/container/acl/util.go b/container/acl/util.go
index 79b5134..d4e5877 100644
--- a/container/acl/util.go
+++ b/container/acl/util.go
@@ -7,16 +7,6 @@ func setBit(num *uint32, n uint8) {
 	*num |= 1 << n
 }
 
-// resets n-th bit in num (starting at 0).
-//
-// nolint: unused
-func resetBit(num *uint32, n uint8) {
-	var mask uint32
-	setBit(&mask, n)
-
-	*num &= ^mask
-}
-
 // checks if n-th bit in num is set (starting at 0).
 func isBitSet(num uint32, n uint8) bool {
 	mask := uint32(1 << n)
diff --git a/container/acl/util_test.go b/container/acl/util_test.go
index 7881c17..b0d99cc 100644
--- a/container/acl/util_test.go
+++ b/container/acl/util_test.go
@@ -22,9 +22,6 @@ func TestBits(t *testing.T) {
 
 	setBit(&num, 6)
 	require.EqualValues(t, 0b1011110, num)
-
-	resetBit(&num, 1)
-	require.EqualValues(t, 0b1011100, num)
 }
 
 func TestOpBits(t *testing.T) {