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diff --git a/src/lib/libcrypto/doc/EVP_PKEY_sign.pod b/src/lib/libcrypto/doc/EVP_PKEY_sign.pod
deleted file mode 100644
index 1925706d96..0000000000
--- a/src/lib/libcrypto/doc/EVP_PKEY_sign.pod
+++ /dev/null
@@ -1,96 +0,0 @@
-=pod
-
-=head1 NAME
-
-EVP_PKEY_sign_init, EVP_PKEY_sign - sign using a public key algorithm
-
-=head1 SYNOPSIS
-
- #include <openssl/evp.h>
-
- int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
- int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
-                        unsigned char *sig, size_t *siglen,
-                        const unsigned char *tbs, size_t tbslen);
-
-=head1 DESCRIPTION
-
-The EVP_PKEY_sign_init() function initializes a public key algorithm
-context using key B<pkey> for a signing operation.
-
-The EVP_PKEY_sign() function performs a public key signing operation
-using B<ctx>. The data to be signed is specified using the B<tbs> and
-B<tbslen> parameters. If B<sig> is B<NULL> then the maximum size of the output
-buffer is written to the B<siglen> parameter. If B<sig> is not B<NULL> then
-before the call the B<siglen> parameter should contain the length of the
-B<sig> buffer, if the call is successful the signature is written to
-B<sig> and the amount of data written to B<siglen>.
-
-=head1 NOTES
-
-After the call to EVP_PKEY_sign_init() algorithm specific control
-operations can be performed to set any appropriate parameters for the
-operation.
-
-The function EVP_PKEY_sign() can be called more than once on the same
-context if several operations are performed using the same parameters.
-
-=head1 RETURN VALUES
-
-EVP_PKEY_sign_init() and EVP_PKEY_sign() return 1 for success and 0
-or a negative value for failure. In particular a return value of -2
-indicates the operation is not supported by the public key algorithm.
-
-=head1 EXAMPLE
-
-Sign data using RSA with PKCS#1 padding and SHA256 digest:
-
- #include <openssl/evp.h>
- #include <openssl/rsa.h>
-
- EVP_PKEY_CTX *ctx;
- unsigned char *md, *sig;
- size_t mdlen, siglen;
- EVP_PKEY *signing_key;
- /* NB: assumes signing_key, md and mdlen are already set up
-  * and that signing_key is an RSA private key
-  */
- ctx = EVP_PKEY_CTX_new(signing_key);
- if (!ctx)
-        /* Error occurred */
- if (EVP_PKEY_sign_init(ctx) <= 0)
-        /* Error */
- if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) <= 0)
-        /* Error */
- if (EVP_PKEY_CTX_set_signature_md(ctx, EVP_sha256()) <= 0)
-        /* Error */
-
- /* Determine buffer length */
- if (EVP_PKEY_sign(ctx, NULL, &siglen, md, mdlen) <= 0)
-        /* Error */
-
- sig = malloc(siglen);
-
- if (!sig)
-        /* malloc failure */
-
- if (EVP_PKEY_sign(ctx, sig, &siglen, md, mdlen) <= 0)
-        /* Error */
-
- /* Signature is siglen bytes written to buffer sig */
-
-
-=head1 SEE ALSO
-
-L<EVP_PKEY_CTX_new(3)|EVP_PKEY_CTX_new(3)>,
-L<EVP_PKEY_encrypt(3)|EVP_PKEY_encrypt(3)>,
-L<EVP_PKEY_decrypt(3)|EVP_PKEY_decrypt(3)>,
-L<EVP_PKEY_verify(3)|EVP_PKEY_verify(3)>,
-L<EVP_PKEY_verify_recover(3)|EVP_PKEY_verify_recover(3)>,
-L<EVP_PKEY_derive(3)|EVP_PKEY_derive(3)>
-
-=head1 HISTORY
-
-These functions were first added to OpenSSL 1.0.0.
-
-=cut