diff --git a/src/bench/rpc_mempool.cpp b/src/bench/rpc_mempool.cpp
index af1fa7c572..7e274370e0 100644
--- a/src/bench/rpc_mempool.cpp
+++ b/src/bench/rpc_mempool.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <bench/bench.h>
-#include <chainparamsbase.h>
 #include <kernel/cs_main.h>
 #include <kernel/mempool_entry.h>
 #include <rpc/mempool.h>
diff --git a/src/chainparams.h b/src/chainparams.h
index 6c124da907..6a65f40f80 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -8,7 +8,6 @@
 
 #include <kernel/chainparams.h>
 
-#include <chainparamsbase.h>
 #include <consensus/params.h>
 #include <netaddress.h>
 #include <primitives/block.h>
diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index 065ad17fc8..d9ed1547b3 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -10,7 +10,6 @@
 #include <consensus/merkle.h>
 #include <consensus/params.h>
 #include <hash.h>
-#include <chainparamsbase.h>
 #include <logging.h>
 #include <primitives/block.h>
 #include <primitives/transaction.h>
diff --git a/src/qt/networkstyle.cpp b/src/qt/networkstyle.cpp
index e9ec4349b5..b6314f5533 100644
--- a/src/qt/networkstyle.cpp
+++ b/src/qt/networkstyle.cpp
@@ -6,7 +6,6 @@
 
 #include <qt/guiconstants.h>
 
-#include <chainparamsbase.h>
 #include <tinyformat.h>
 #include <util/chaintype.h>
 
diff --git a/src/rpc/external_signer.cpp b/src/rpc/external_signer.cpp
index b7d065ad57..ac135ba216 100644
--- a/src/rpc/external_signer.cpp
+++ b/src/rpc/external_signer.cpp
@@ -2,7 +2,6 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <chainparamsbase.h>
 #include <common/args.h>
 #include <external_signer.h>
 #include <rpc/protocol.h>
diff --git a/src/test/fuzz/coins_view.cpp b/src/test/fuzz/coins_view.cpp
index 5843b80c0a..fc7e000dc7 100644
--- a/src/test/fuzz/coins_view.cpp
+++ b/src/test/fuzz/coins_view.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <coins.h>
 #include <consensus/amount.h>
 #include <consensus/tx_check.h>
diff --git a/src/test/fuzz/connman.cpp b/src/test/fuzz/connman.cpp
index 0f3c850e66..f81658b832 100644
--- a/src/test/fuzz/connman.cpp
+++ b/src/test/fuzz/connman.cpp
@@ -4,7 +4,6 @@
 
 #include <addrman.h>
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <common/args.h>
 #include <net.h>
 #include <netaddress.h>
diff --git a/src/test/fuzz/key.cpp b/src/test/fuzz/key.cpp
index e22321c71e..3eab2e20c0 100644
--- a/src/test/fuzz/key.cpp
+++ b/src/test/fuzz/key.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <key.h>
 #include <key_io.h>
 #include <outputtype.h>
diff --git a/src/test/fuzz/net.cpp b/src/test/fuzz/net.cpp
index ca10381e4a..e090f13061 100644
--- a/src/test/fuzz/net.cpp
+++ b/src/test/fuzz/net.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <net.h>
 #include <net_permissions.h>
 #include <netaddress.h>
diff --git a/src/test/fuzz/script_sigcache.cpp b/src/test/fuzz/script_sigcache.cpp
index de895cc69c..f332987987 100644
--- a/src/test/fuzz/script_sigcache.cpp
+++ b/src/test/fuzz/script_sigcache.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <key.h>
 #include <pubkey.h>
 #include <script/sigcache.h>
diff --git a/src/test/fuzz/script_sign.cpp b/src/test/fuzz/script_sign.cpp
index 84930d42ef..8b62daf162 100644
--- a/src/test/fuzz/script_sign.cpp
+++ b/src/test/fuzz/script_sign.cpp
@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
-#include <chainparamsbase.h>
 #include <key.h>
 #include <psbt.h>
 #include <pubkey.h>
diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h
index c14f633029..5f2aff08da 100644
--- a/src/test/fuzz/util.h
+++ b/src/test/fuzz/util.h
@@ -6,7 +6,6 @@
 #define BITCOIN_TEST_FUZZ_UTIL_H
 
 #include <arith_uint256.h>
-#include <chainparamsbase.h>
 #include <coins.h>
 #include <compat/compat.h>
 #include <consensus/amount.h>
diff --git a/src/test/fuzz/validation_load_mempool.cpp b/src/test/fuzz/validation_load_mempool.cpp
index 817593cf6e..4e2ca6d903 100644
--- a/src/test/fuzz/validation_load_mempool.cpp
+++ b/src/test/fuzz/validation_load_mempool.cpp
@@ -4,7 +4,6 @@
 
 #include <kernel/mempool_persist.h>
 
-#include <chainparamsbase.h>
 #include <node/mempool_args.h>
 #include <node/mempool_persist_args.h>
 #include <test/fuzz/FuzzedDataProvider.h>
diff --git a/src/test/util/setup_common.h b/src/test/util/setup_common.h
index a93e1559dd..bd5a81be45 100644
--- a/src/test/util/setup_common.h
+++ b/src/test/util/setup_common.h
@@ -5,7 +5,6 @@
 #ifndef BITCOIN_TEST_UTIL_SETUP_COMMON_H
 #define BITCOIN_TEST_UTIL_SETUP_COMMON_H
 
-#include <chainparamsbase.h>
 #include <common/args.h>
 #include <key.h>
 #include <node/caches.h>