diff --git a/qa/rpc-tests/mempool_packages.py b/qa/rpc-tests/mempool_packages.py
index 45dc0e65c43..f605e7524f7 100755
--- a/qa/rpc-tests/mempool_packages.py
+++ b/qa/rpc-tests/mempool_packages.py
@@ -20,8 +20,8 @@ class MempoolPackagesTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-relaypriority=0", "-debug"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-maxorphantx=1000", "-relaypriority=0", "-limitancestorcount=5", "-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-debug"]))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-maxorphantx=1000", "-limitancestorcount=5", "-debug"]))
         connect_nodes(self.nodes[0], 1)
         self.is_network_split = False
         self.sync_all()
diff --git a/qa/rpc-tests/replace-by-fee.py b/qa/rpc-tests/replace-by-fee.py
index 34c0f9d7957..8aba06c60c6 100755
--- a/qa/rpc-tests/replace-by-fee.py
+++ b/qa/rpc-tests/replace-by-fee.py
@@ -76,7 +76,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
     def setup_network(self):
         self.nodes = []
         self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-debug",
-                                                              "-relaypriority=0", "-whitelist=127.0.0.1",
+                                                              "-whitelist=127.0.0.1",
                                                               "-limitancestorcount=50",
                                                               "-limitancestorsize=101",
                                                               "-limitdescendantcount=200",
diff --git a/qa/rpc-tests/smartfees.py b/qa/rpc-tests/smartfees.py
index 74a74f679a8..2c56f954a22 100755
--- a/qa/rpc-tests/smartfees.py
+++ b/qa/rpc-tests/smartfees.py
@@ -159,7 +159,7 @@ class EstimateFeeTest(BitcoinTestFramework):
         self.nodes = []
         # Use node0 to mine blocks for input splitting
         self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000",
-                                                              "-relaypriority=0", "-whitelist=127.0.0.1"]))
+                                                              "-whitelist=127.0.0.1"]))
 
         print("This test is time consuming, please be patient")
         print("Splitting inputs to small size so we can generate low priority tx's")
@@ -197,12 +197,12 @@ class EstimateFeeTest(BitcoinTestFramework):
         # (17k is room enough for 110 or so transactions)
         self.nodes.append(start_node(1, self.options.tmpdir,
                                      ["-blockprioritysize=1500", "-blockmaxsize=17000",
-                                      "-maxorphantx=1000", "-relaypriority=0", "-debug=estimatefee"]))
+                                      "-maxorphantx=1000", "-debug=estimatefee"]))
         connect_nodes(self.nodes[1], 0)
 
         # Node2 is a stingy miner, that
         # produces too small blocks (room for only 55 or so transactions)
-        node2args = ["-blockprioritysize=0", "-blockmaxsize=8000", "-maxorphantx=1000", "-relaypriority=0"]
+        node2args = ["-blockprioritysize=0", "-blockmaxsize=8000", "-maxorphantx=1000"]
 
         self.nodes.append(start_node(2, self.options.tmpdir, node2args))
         connect_nodes(self.nodes[0], 2)