# MutantHub mutant #2928: PermittedDifficultyTransition no longer rejects nBits changes at non-retarget heights
# Repository: bitcoin/bitcoin @ dc3cd1969ed35f0ca3e468fffd153e304f9f3c41
# File: src/pow.cpp:132-133
# Review: APPROVED; outcome: SURVIVED
diff --git a/src/pow.cpp b/src/pow.cpp
index 9a9f4e5..ef2e788 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -129,8 +129,6 @@ bool PermittedDifficultyTransition(const Consensus::Params& params, int64_t heig
         arith_uint256 minimum_new_target;
         minimum_new_target.SetCompact(smallest_difficulty_target.GetCompact());
         if (minimum_new_target > observed_new_target) return false;
-    } else if (old_nbits != new_nbits) {
-        return false;
     }
     return true;
 }