diff --git a/crypto/kdf/kdf_err.c b/crypto/kdf/kdf_err.c
index 4c3f671637..5b794285e4 100644
--- a/crypto/kdf/kdf_err.c
+++ b/crypto/kdf/kdf_err.c
@@ -12,58 +12,8 @@
 #include <openssl/kdferr.h>
 
 #ifndef OPENSSL_NO_DEPRECATED_3_0
-# ifndef OPENSSL_NO_ERR
-
-static const ERR_STRING_DATA KDF_str_reasons[] = {
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_BAD_ENCODING), "bad encoding"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_BAD_LENGTH), "bad length"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_BOTH_MODE_AND_MODE_INT),
-    "both mode and mode int"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INAVLID_UKM_LEN), "inavlid ukm len"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_DIGEST), "invalid digest"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_ITERATION_COUNT),
-    "invalid iteration count"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_KEY_LEN), "invalid key len"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_MAC_TYPE), "invalid mac type"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_MODE), "invalid mode"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_MODE_INT), "invalid mode int"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_SALT_LEN), "invalid salt len"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_CEK_ALG), "missing cek alg"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_ITERATION_COUNT),
-    "missing iteration count"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_KEY), "missing key"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_MESSAGE_DIGEST),
-    "missing message digest"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_PARAMETER), "missing parameter"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_PASS), "missing pass"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SALT), "missing salt"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SECRET), "missing secret"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SEED), "missing seed"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SESSION_ID), "missing session id"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_TYPE), "missing type"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_XCGHASH), "missing xcghash"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_NOT_SUPPORTED), "not supported"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_UNKNOWN_PARAMETER_TYPE),
-    "unknown parameter type"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_UNSUPPORTED_CEK_ALG),
-    "unsupported cek alg"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_UNSUPPORTED_MAC_TYPE),
-    "unsupported mac type"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_VALUE_ERROR), "value error"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_VALUE_MISSING), "value missing"},
-    {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_WRONG_OUTPUT_BUFFER_SIZE),
-    "wrong output buffer size"},
-    {0, NULL}
-};
-
-# endif
-
 int ERR_load_KDF_strings(void)
 {
-# ifndef OPENSSL_NO_ERR
-    if (ERR_reason_error_string(KDF_str_reasons[0].error) == NULL)
-        ERR_load_strings_const(KDF_str_reasons);
-# endif
     return 1;
 }
 #endif
diff --git a/include/openssl/kdferr.h b/include/openssl/kdferr.h
index a0c6287c1c..31f112c741 100644
--- a/include/openssl/kdferr.h
+++ b/include/openssl/kdferr.h
@@ -24,7 +24,7 @@
 # ifdef  __cplusplus
 extern "C"
 # endif
-int ERR_load_KDF_strings(void);
+DEPRECATEDIN_3_0(int ERR_load_KDF_strings(void))
 
 /*
  * KDF function codes.
@@ -82,35 +82,37 @@ int ERR_load_KDF_strings(void);
 /*
  * KDF reason codes.
  */
-# define KDF_R_BAD_ENCODING                               122
-# define KDF_R_BAD_LENGTH                                 123
-# define KDF_R_BOTH_MODE_AND_MODE_INT                     127
-# define KDF_R_INAVLID_UKM_LEN                            124
-# define KDF_R_INVALID_DIGEST                             100
-# define KDF_R_INVALID_ITERATION_COUNT                    119
-# define KDF_R_INVALID_KEY_LEN                            120
-# define KDF_R_INVALID_MAC_TYPE                           116
-# define KDF_R_INVALID_MODE                               128
-# define KDF_R_INVALID_MODE_INT                           129
-# define KDF_R_INVALID_SALT_LEN                           121
-# define KDF_R_MISSING_CEK_ALG                            125
-# define KDF_R_MISSING_ITERATION_COUNT                    109
-# define KDF_R_MISSING_KEY                                104
-# define KDF_R_MISSING_MESSAGE_DIGEST                     105
-# define KDF_R_MISSING_PARAMETER                          101
-# define KDF_R_MISSING_PASS                               110
-# define KDF_R_MISSING_SALT                               111
-# define KDF_R_MISSING_SECRET                             107
-# define KDF_R_MISSING_SEED                               106
-# define KDF_R_MISSING_SESSION_ID                         113
-# define KDF_R_MISSING_TYPE                               114
-# define KDF_R_MISSING_XCGHASH                            115
-# define KDF_R_NOT_SUPPORTED                              118
-# define KDF_R_UNKNOWN_PARAMETER_TYPE                     103
-# define KDF_R_UNSUPPORTED_CEK_ALG                        126
-# define KDF_R_UNSUPPORTED_MAC_TYPE                       117
-# define KDF_R_VALUE_ERROR                                108
-# define KDF_R_VALUE_MISSING                              102
-# define KDF_R_WRONG_OUTPUT_BUFFER_SIZE                   112
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define KDF_R_BAD_ENCODING                               122
+#  define KDF_R_BAD_LENGTH                                 123
+#  define KDF_R_BOTH_MODE_AND_MODE_INT                     127
+#  define KDF_R_INAVLID_UKM_LEN                            124
+#  define KDF_R_INVALID_DIGEST                             100
+#  define KDF_R_INVALID_ITERATION_COUNT                    119
+#  define KDF_R_INVALID_KEY_LEN                            120
+#  define KDF_R_INVALID_MAC_TYPE                           116
+#  define KDF_R_INVALID_MODE                               128
+#  define KDF_R_INVALID_MODE_INT                           129
+#  define KDF_R_INVALID_SALT_LEN                           121
+#  define KDF_R_MISSING_CEK_ALG                            125
+#  define KDF_R_MISSING_ITERATION_COUNT                    109
+#  define KDF_R_MISSING_KEY                                104
+#  define KDF_R_MISSING_MESSAGE_DIGEST                     105
+#  define KDF_R_MISSING_PARAMETER                          101
+#  define KDF_R_MISSING_PASS                               110
+#  define KDF_R_MISSING_SALT                               111
+#  define KDF_R_MISSING_SECRET                             107
+#  define KDF_R_MISSING_SEED                               106
+#  define KDF_R_MISSING_SESSION_ID                         113
+#  define KDF_R_MISSING_TYPE                               114
+#  define KDF_R_MISSING_XCGHASH                            115
+#  define KDF_R_NOT_SUPPORTED                              118
+#  define KDF_R_UNKNOWN_PARAMETER_TYPE                     103
+#  define KDF_R_UNSUPPORTED_CEK_ALG                        126
+#  define KDF_R_UNSUPPORTED_MAC_TYPE                       117
+#  define KDF_R_VALUE_ERROR                                108
+#  define KDF_R_VALUE_MISSING                              102
+#  define KDF_R_WRONG_OUTPUT_BUFFER_SIZE                   112
+# endif
 
 #endif
diff --git a/util/libcrypto.num b/util/libcrypto.num
index 8238d754a2..2be8f118d0 100644
--- a/util/libcrypto.num
+++ b/util/libcrypto.num
@@ -1807,7 +1807,7 @@ i2d_ASN1_bio_stream                     1849	3_0_0	EXIST::FUNCTION:
 CRYPTO_THREAD_init_local                1850	3_0_0	EXIST::FUNCTION:
 TS_RESP_CTX_set_serial_cb               1851	3_0_0	EXIST::FUNCTION:TS
 POLICY_MAPPING_it                       1852	3_0_0	EXIST::FUNCTION:
-ERR_load_KDF_strings                    1853	3_0_0	EXIST::FUNCTION:
+ERR_load_KDF_strings                    1853	3_0_0	EXIST::FUNCTION:DEPRECATEDIN_3_0
 UI_method_set_reader                    1854	3_0_0	EXIST::FUNCTION:
 BIO_next                                1855	3_0_0	EXIST::FUNCTION:
 ASN1_STRING_set_default_mask_asc        1856	3_0_0	EXIST::FUNCTION:
diff --git a/util/missingcrypto.txt b/util/missingcrypto.txt
index 408e6ffc63..32018fc9e6 100644
--- a/util/missingcrypto.txt
+++ b/util/missingcrypto.txt
@@ -446,6 +446,7 @@ ERR_load_ENGINE_strings
 ERR_load_ERR_strings
 ERR_load_ESS_strings
 ERR_load_EVP_strings
+ERR_load_KDF_strings
 ERR_load_OBJ_strings
 ERR_load_OCSP_strings
 ERR_load_OSSL_STORE_strings