diff --git a/src/policy/policy.h b/src/policy/policy.h
index b01db3c271..8f8012f0ce 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -22,7 +22,7 @@ extern CAsset policyAsset;
 /** Default for -blockmaxweight, which controls the range of block weights the mining code will create **/
 static const unsigned int DEFAULT_BLOCK_MAX_WEIGHT = MAX_BLOCK_WEIGHT - 4000;
 /** Default for -blockmintxfee, which sets the minimum feerate for a transaction in blocks created by mining code **/
-static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 1000;
+static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 100;
 /** The maximum weight for transactions we're willing to relay/mine */
 static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;
 /** The minimum non-witness size for transactions we're willing to relay/mine (1 segwit input + 1 P2WPKH output = 82 bytes) */
@@ -34,7 +34,7 @@ static const unsigned int MAX_STANDARD_TX_SIGOPS_COST = MAX_BLOCK_SIGOPS_COST/5;
 /** Default for -maxmempool, maximum megabytes of mempool memory usage */
 static const unsigned int DEFAULT_MAX_MEMPOOL_SIZE = 300;
 /** Default for -incrementalrelayfee, which sets the minimum feerate increase for mempool limiting or BIP 125 replacement **/
-static const unsigned int DEFAULT_INCREMENTAL_RELAY_FEE = 1000;
+static const unsigned int DEFAULT_INCREMENTAL_RELAY_FEE = 100;
 /** Default for -bytespersigop */
 static const unsigned int DEFAULT_BYTES_PER_SIGOP = 20;
 /** The maximum number of witness stack items in a standard P2WSH script */
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index 29ff631d8d..abb954d7f7 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -60,6 +60,9 @@ BasicTestingSetup::BasicTestingSetup(const std::string& chainName, const std::st
     // Set policy asset for correct fee output generation
     policyAsset = CAsset();
 
+    // For unit tests, increase minrelay to "normal" 1000 sat/vkB
+    incrementalRelayFee = CFeeRate(1000);
+
     noui_connect();
 }
 
diff --git a/src/validation.h b/src/validation.h
index 553b2a449a..1fae307d6b 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -55,7 +55,7 @@ static const bool DEFAULT_WHITELISTRELAY = true;
 /** Default for -whitelistforcerelay. */
 static const bool DEFAULT_WHITELISTFORCERELAY = false;
 /** Default for -minrelaytxfee, minimum relay fee for transactions */
-static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 1000;
+static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 100;
 //! -maxtxfee default
 static const CAmount DEFAULT_TRANSACTION_MAXFEE = COIN / 10;
 //! Discourage users to set fees higher than this amount (in satoshis) per kB
diff --git a/test/bitcoin_functional/functional/test_framework/util.py b/test/bitcoin_functional/functional/test_framework/util.py
index 52b29b4c26..d07123b5d0 100644
--- a/test/bitcoin_functional/functional/test_framework/util.py
+++ b/test/bitcoin_functional/functional/test_framework/util.py
@@ -323,6 +323,7 @@ def initialize_datadir(dirname, n):
         f.write("scriptprefix=196\n")
         f.write("bech32_hrp=bcrt\n")
         f.write("con_dyna_deploy_start="+str(2**31)+"\n") # Never starts
+        f.write("minrelaytxfee=0.00001\n")
         os.makedirs(os.path.join(datadir, 'stderr'), exist_ok=True)
         os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
     return datadir
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index 64df8587f3..4200a87407 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -331,6 +331,7 @@ def initialize_datadir(dirname, n, chain):
         f.write("con_csv_deploy_start=0\n") # Enhance tests if removing this line
         f.write("blindedaddresses=0\n") # Set to minimize broken tests in favor of custom
         f.write("con_dyna_deploy_start="+str(2**31)+"\n") # Never starts unless overridden
+        f.write("minrelaytxfee=0.00001\n")
         #f.write("pubkeyprefix=111\n")
         #f.write("scriptprefix=196\n")
         #f.write("bech32_hrp=bcrt\n")