diff --git a/src/init.cpp b/src/init.cpp
index 541b75ce95..02931ce0af 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1290,9 +1290,6 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
     // as they would never get updated.
     if (!peerman_opts.ignore_incoming_txs) {
         bool read_stale_estimates = args.GetBoolArg("-acceptstalefeeestimates", DEFAULT_ACCEPT_STALE_FEE_ESTIMATES);
-        if (read_stale_estimates && (chainparams.GetChainType() != ChainType::REGTEST)) {
-            return InitError(strprintf(_("acceptstalefeeestimates is not supported on %s chain."), chainparams.GetChainTypeString()));
-        }
         node.fee_estimator = std::make_unique<CBlockPolicyEstimator>(FeeestPath(args), read_stale_estimates);
 
         // Flush estimates to disk periodically
diff --git a/test/functional/feature_config_args.py b/test/functional/feature_config_args.py
index 24a2b74e3b..fddea6b76c 100755
--- a/test/functional/feature_config_args.py
+++ b/test/functional/feature_config_args.py
@@ -420,7 +420,6 @@ class ConfArgsTest(BitcoinTestFramework):
         self.test_invalid_command_line_options()
         self.test_ignored_conf()
         self.test_ignored_default_conf()
-        self.test_acceptstalefeeestimates_arg_support()
         self.test_testnet3_deprecation_msg()
 
         # Remove the -datadir argument so it doesn't override the config file