diff --git a/src/Makefile.am b/src/Makefile.am
index 240ee254c395fc..851cddf093775a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -138,8 +138,6 @@ BITCOIN_CORE_H = \
   base58.h \
   batchedlogger.h \
   bech32.h \
-  bip39.h \
-  bip39_english.h \
   blockencodings.h \
   bloom.h \
   cachemap.h \
@@ -363,6 +361,8 @@ BITCOIN_CORE_H = \
   validationinterface.h \
   versionbits.h \
   wallet/bdb.h \
+  wallet/bip39.h \
+  wallet/bip39_english.h \
   wallet/coincontrol.h \
   wallet/coinselection.h \
   wallet/context.h \
@@ -538,6 +538,7 @@ libbitcoin_wallet_a_SOURCES = \
   coinjoin/client.cpp \
   coinjoin/interfaces.cpp \
   coinjoin/util.cpp \
+  wallet/bip39.cpp \
   wallet/coincontrol.cpp \
   wallet/context.cpp \
   wallet/crypter.cpp \
@@ -706,7 +707,6 @@ libbitcoin_common_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_common_a_SOURCES = \
   base58.cpp \
   bech32.cpp \
-  bip39.cpp \
   bloom.cpp \
   chainparams.cpp \
   coins.cpp \
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 77e5127fcc7944..9be903ca2ed9dd 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -46,8 +46,8 @@ FUZZ_SUITE_LD_COMMON = \
  $(LIBTEST_FUZZ) \
  $(LIBTEST_UTIL) \
  $(LIBBITCOIN_CONSENSUS) \
- $(LIBBITCOIN_CRYPTO) \
  $(LIBBITCOIN_WALLET) \
+ $(LIBBITCOIN_CRYPTO) \
  $(LIBBITCOIN_CLI) \
  $(LIBDASHBLS) \
  $(BDB_LIBS) \
@@ -83,7 +83,6 @@ BITCOIN_TESTS =\
   test/base64_tests.cpp \
   test/bech32_tests.cpp \
   test/bip32_tests.cpp \
-  test/bip39_tests.cpp \
   test/block_reward_reallocation_tests.cpp \
   test/blockchain_tests.cpp \
   test/blockencodings_tests.cpp \
@@ -179,6 +178,7 @@ BITCOIN_TESTS =\
 
 if ENABLE_WALLET
 BITCOIN_TESTS += \
+  wallet/test/bip39_tests.cpp \
   wallet/test/coinjoin_tests.cpp \
   wallet/test/psbt_wallet_tests.cpp \
   wallet/test/wallet_tests.cpp \
diff --git a/src/bip39.cpp b/src/wallet/bip39.cpp
similarity index 98%
rename from src/bip39.cpp
rename to src/wallet/bip39.cpp
index 0cae4f43ea87d6..2cf0eb79c7a94a 100644
--- a/src/bip39.cpp
+++ b/src/wallet/bip39.cpp
@@ -24,8 +24,8 @@
 // Source:
 // https://github.com/trezor/trezor-crypto
 
-#include <bip39.h>
-#include <bip39_english.h>
+#include <wallet/bip39.h>
+#include <wallet/bip39_english.h>
 #include <crypto/pkcs5_pbkdf2_hmac_sha512.h>
 #include <crypto/sha256.h>
 #include <random.h>
diff --git a/src/bip39.h b/src/wallet/bip39.h
similarity index 94%
rename from src/bip39.h
rename to src/wallet/bip39.h
index 30f3a6880e2c7b..b8bf2262ae91a9 100644
--- a/src/bip39.h
+++ b/src/wallet/bip39.h
@@ -21,8 +21,8 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#ifndef BITCOIN_BIP39_H
-#define BITCOIN_BIP39_H
+#ifndef BITCOIN_WALLET_BIP39_H
+#define BITCOIN_WALLET_BIP39_H
 
 #include <support/allocators/secure.h>
 
@@ -36,4 +36,4 @@ class CMnemonic
     static void ToSeed(SecureString mnemonic, SecureString passphrase, SecureVector& seedRet);
 };
 
-#endif // BITCOIN_BIP39_H
+#endif // BITCOIN_WALLET_BIP39_H
diff --git a/src/bip39_english.h b/src/wallet/bip39_english.h
similarity index 99%
rename from src/bip39_english.h
rename to src/wallet/bip39_english.h
index 961157479ccbb1..19547f512fa1f7 100644
--- a/src/bip39_english.h
+++ b/src/wallet/bip39_english.h
@@ -21,8 +21,8 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#ifndef BITCOIN_BIP39_ENGLISH_H
-#define BITCOIN_BIP39_ENGLISH_H
+#ifndef BITCOIN_WALLET_BIP39_ENGLISH_H
+#define BITCOIN_WALLET_BIP39_ENGLISH_H
 
 const char * const wordlist[] = {
 "abandon",
@@ -2076,4 +2076,4 @@ const char * const wordlist[] = {
 0,
 };
 
-#endif // BITCOIN_BIP39_ENGLISH_H
+#endif // BITCOIN_WALLET_BIP39_ENGLISH_H
diff --git a/src/wallet/hdchain.cpp b/src/wallet/hdchain.cpp
index 6b76e6c69700a6..d3ccf7255da38c 100644
--- a/src/wallet/hdchain.cpp
+++ b/src/wallet/hdchain.cpp
@@ -3,7 +3,7 @@
 
 #include <wallet/hdchain.h>
 
-#include <bip39.h>
+#include <wallet/bip39.h>
 #include <chainparams.h>
 #include <key_io.h>
 #include <tinyformat.h>
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
index 3a939283820382..65c469d602d5ab 100644
--- a/src/wallet/init.cpp
+++ b/src/wallet/init.cpp
@@ -20,12 +20,12 @@
 #ifdef USE_BDB
 #include <wallet/bdb.h>
 #endif
+#include <wallet/bip39.h>
 #include <wallet/coincontrol.h>
 #include <wallet/hdchain.h>
 #include <wallet/wallet.h>
 #include <walletinitinterface.h>
 
-#include <bip39.h>
 #include <coinjoin/client.h>
 #include <coinjoin/options.h>
 
diff --git a/src/test/bip39_tests.cpp b/src/wallet/test/bip39_tests.cpp
similarity index 98%
rename from src/test/bip39_tests.cpp
rename to src/wallet/test/bip39_tests.cpp
index c35b00c4eafff8..342321099e5fb7 100644
--- a/src/test/bip39_tests.cpp
+++ b/src/wallet/test/bip39_tests.cpp
@@ -4,7 +4,7 @@
 
 #include <test/data/bip39_vectors.json.h>
 
-#include <bip39.h>
+#include <wallet/bip39.h>
 #include <key.h>
 #include <key_io.h>
 #include <test/util/setup_common.h>