diff --git a/src/core_io.cpp b/src/core_io.cpp
index a789d5ca947..d22e2251b62 100644
--- a/src/core_io.cpp
+++ b/src/core_io.cpp
@@ -9,6 +9,7 @@
 #include <consensus/amount.h>
 #include <consensus/consensus.h>
 #include <consensus/validation.h>
+#include <crypto/hex_base.h>
 #include <key_io.h>
 #include <primitives/block.h> // IWYU pragma: keep
 #include <primitives/transaction.h>
diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index c25455d0f1c..16ebffb9a98 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -9,6 +9,7 @@
 #include <consensus/amount.h>
 #include <consensus/merkle.h>
 #include <consensus/params.h>
+#include <crypto/hex_base.h>
 #include <hash.h>
 #include <kernel/messagestartchars.h>
 #include <logging.h>
diff --git a/src/node/blockstorage.cpp b/src/node/blockstorage.cpp
index 84b7cfec7c7..37bf1799aa4 100644
--- a/src/node/blockstorage.cpp
+++ b/src/node/blockstorage.cpp
@@ -7,6 +7,7 @@
 #include <arith_uint256.h>
 #include <chain.h>
 #include <consensus/params.h>
+#include <crypto/hex_base.h>
 #include <dbwrapper.h>
 #include <flatfile.h>
 #include <hash.h>
diff --git a/src/util/strencodings.h b/src/util/strencodings.h
index fe0e2554c6f..b070e5b8c40 100644
--- a/src/util/strencodings.h
+++ b/src/util/strencodings.h
@@ -9,7 +9,7 @@
 #ifndef BITCOIN_UTIL_STRENCODINGS_H
 #define BITCOIN_UTIL_STRENCODINGS_H
 
-#include <crypto/hex_base.h> // IWYU pragma: export
+#include <crypto/hex_base.h>
 #include <span.h>
 #include <util/string.h>