diff --git a/src/main.cpp b/src/main.cpp
index 51fc2752..45853523 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2702,11 +2702,6 @@ bool AcceptBlock(CBlock& block, CValidationState& state, CDiskBlockPos* dbp)
                 nAlgoCount++;
                 piPrev = piPrev->pprev;
             }
-			if ((nHeight > nBlockSequentialAlgoRuleStart3) && (nAlgoCount > nBlockSequentialAlgoMaxCount3))
-			{
-                return state.DoS(100, error("AcceptBlock() : too many blocks from same algo"),
-                                 REJECT_INVALID, "algo-toomany");
-			} else
             if ((nHeight > nBlockSequentialAlgoRuleStart2) && (nAlgoCount > nBlockSequentialAlgoMaxCount2))
             {
                 return state.DoS(100, error("AcceptBlock() : too many blocks from same algo"),
diff --git a/src/main.h b/src/main.h
index 1f522699..095c3d0c 100644
--- a/src/main.h
+++ b/src/main.h
@@ -708,10 +708,8 @@ const int64_t nBlockAlgoNormalisedWorkDecayStart = 866000; // block where weight
 const int64_t nBlockAlgoNormalisedWorkDecayStart2 = 932000; // block where weight decay starts
 const int64_t nBlockSequentialAlgoRuleStart = 740000; // block where sequential algo rule starts
 const int64_t nBlockSequentialAlgoRuleStart2 = 766000; // block where sequential algo rule starts
-const int64_t nBlockSequentialAlgoRuleStart3 = 1400000; // block where sequential algo rule starts
 const int nBlockSequentialAlgoMaxCount = 6; // maximum sequential blocks of same algo
 const int nBlockSequentialAlgoMaxCount2 = 3; // maximum sequential blocks of same algo
-const int nBlockSequentialAlgoMaxCount3 = 6; // maximum sequential blocks of same algo
 const int64_t nBlockTimeWarpPreventStart = 740500; // block where time warp 1 prevention starts
 const int64_t nBlockTimeWarpPreventStart2 = 766000; // block where time warp 2 prevention starts
 const int64_t nBlockDiffAdjustV2 = 766000; // block where difficulty adjust V2 starts