diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index f937e2754b..c24234aeb7 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -167,9 +167,6 @@ public:
             /* nTxCount */ 383732546,
             /* dTxRate  */ 3.685496590998308
         };
-
-        /* disable fallback fee on mainnet */
-        m_fallback_fee_enabled = false;
     }
 };
 
@@ -262,9 +259,6 @@ public:
             /* nTxCount */ 19438708,
             /* dTxRate  */ 0.626
         };
-
-        /* enable fallback fee on testnet */
-        m_fallback_fee_enabled = true;
     }
 };
 
@@ -346,9 +340,6 @@ public:
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
         bech32_hrp = "bcrt";
-
-        /* enable fallback fee on regtest */
-        m_fallback_fee_enabled = true;
     }
 
     /**
diff --git a/src/chainparams.h b/src/chainparams.h
index b3fcd77cea..8f1d27e03c 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -66,7 +66,7 @@ public:
     bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; }
     /** Policy: Filter transactions that do not match well-defined patterns */
     bool RequireStandard() const { return fRequireStandard; }
-    /** If this is a test chain */
+    /** If this chain is exclusively used for testing */
     bool IsTestChain() const { return m_is_test_chain; }
     uint64_t PruneAfterHeight() const { return nPruneAfterHeight; }
     /** Minimum free space (in GB) needed for data directory */
@@ -77,8 +77,6 @@ public:
     bool MineBlocksOnDemand() const { return consensus.fPowNoRetargeting; }
     /** Return the BIP70 network string (main, test or regtest) */
     std::string NetworkIDString() const { return strNetworkID; }
-    /** Return true if the fallback fee is by default enabled for this network */
-    bool IsFallbackFeeEnabled() const { return m_fallback_fee_enabled; }
     /** Return the list of hostnames to look up for DNS seeds */
     const std::vector<std::string>& DNSSeeds() const { return vSeeds; }
     const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
@@ -106,7 +104,6 @@ protected:
     bool m_is_test_chain;
     CCheckpointData checkpointData;
     ChainTxData chainTxData;
-    bool m_fallback_fee_enabled;
 };
 
 /**
diff --git a/src/chainparamsbase.h b/src/chainparamsbase.h
index 355df043d3..f34646f7ac 100644
--- a/src/chainparamsbase.h
+++ b/src/chainparamsbase.h
@@ -7,7 +7,6 @@
 
 #include <memory>
 #include <string>
-#include <vector>
 
 /**
  * CBaseChainParams defines the base parameters (shared between bitcoin-cli and bitcoind)
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 07fc8c35d5..5328ddafed 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -4388,7 +4388,7 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
         walletInstance->m_min_fee = CFeeRate(n);
     }
 
-    walletInstance->m_allow_fallback_fee = Params().IsFallbackFeeEnabled();
+    walletInstance->m_allow_fallback_fee = Params().IsTestChain();
     if (gArgs.IsArgSet("-fallbackfee")) {
         CAmount nFeePerK = 0;
         if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK)) {
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 5f226cf5c0..3ba9a2ae78 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -12,7 +12,6 @@
 #include <outputtype.h>
 #include <policy/feerate.h>
 #include <script/sign.h>
-#include <streams.h>
 #include <tinyformat.h>
 #include <ui_interface.h>
 #include <util/strencodings.h>