diff --git a/src/init.cpp b/src/init.cpp
index 5d29f14eb8..fdf6301d2a 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -453,7 +453,6 @@ std::string HelpMessage(HelpMessageMode mode)
 
     strUsage += HelpMessageGroup(_("Block creation options:"));
     strUsage += HelpMessageOpt("-blockmaxcost=<n>", strprintf(_("Set maximum block cost (default: %d)"), DEFAULT_BLOCK_MAX_COST));
-    strUsage += HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), DEFAULT_BLOCK_MIN_SIZE));
     strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
     strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
     if (showDebug)
diff --git a/src/miner.cpp b/src/miner.cpp
index eb71355e7a..8153fb9f9e 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -100,13 +100,8 @@ BlockAssembler::BlockAssembler(const CChainParams& _chainparams)
     // Limit size to between 1K and MAX_BLOCK_SERIALIZED_SIZE-1K for sanity:
     nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SERIALIZED_SIZE-1000), nBlockMaxSize));
 
-    // Minimum block size you want to create; block will be filled with free transactions
-    // until there are no more or the block reaches this size:
-    nBlockMinSize = GetArg("-blockminsize", DEFAULT_BLOCK_MIN_SIZE);
-    nBlockMinSize = std::min(nBlockMaxSize, nBlockMinSize);
-
     // Whether we need to account for byte usage (in addition to cost usage)
-    fNeedSizeAccounting = (nBlockMaxSize < MAX_BLOCK_SERIALIZED_SIZE-1000) || (nBlockMinSize > 0);
+    fNeedSizeAccounting = (nBlockMaxSize < MAX_BLOCK_SERIALIZED_SIZE-1000);
 }
 
 void BlockAssembler::resetBlock()
diff --git a/src/miner.h b/src/miner.h
index 037639b2be..d16e37bb59 100644
--- a/src/miner.h
+++ b/src/miner.h
@@ -141,7 +141,7 @@ private:
 
     // Configuration parameters for the block size
     bool fIncludeWitness;
-    unsigned int nBlockMaxCost, nBlockMaxSize, nBlockMinSize;
+    unsigned int nBlockMaxCost, nBlockMaxSize;
     bool fNeedSizeAccounting;
 
     // Information on the current status of the block
diff --git a/src/policy/policy.h b/src/policy/policy.h
index fefb562ff9..29a8cc57c2 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -14,9 +14,8 @@
 
 class CCoinsViewCache;
 
-/** Default for -blockmaxsize and -blockminsize, which control the range of sizes the mining code will create **/
+/** Default for -blockmaxsize, which controls the maximum size of block the mining code will create **/
 static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000;
-static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0;
 /** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/
 static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 0;
 /** Default for -blockmaxcost, which control the range of block costs the mining code will create **/