diff --git a/cryptography/hazmat/backends/interfaces.py b/cryptography/hazmat/backends/interfaces.py
index 3192789..66ee1e4 100644
--- a/cryptography/hazmat/backends/interfaces.py
+++ b/cryptography/hazmat/backends/interfaces.py
@@ -153,12 +153,6 @@
         """
 
     @abc.abstractmethod
-    def dsa_signature_from_components(self, r, s):
-        """
-        Convert a DSA signature pair r and s into a DER byte string.
-        """
-
-    @abc.abstractmethod
     def dsa_hash_supported(self, algorithm):
         """
         Return True if the hash algorithm is supported by the backend for DSA.
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py
index bd1ce02..b11fe9d 100644
--- a/cryptography/hazmat/backends/openssl/backend.py
+++ b/cryptography/hazmat/backends/openssl/backend.py
@@ -479,24 +479,6 @@
         return _DSAVerificationContext(self, public_key, signature,
                                        algorithm)
 
-    def dsa_signature_from_components(self, r, s):
-        dsa_sig = self._lib.DSA_SIG_new()
-        assert dsa_sig != self._ffi.NULL
-        dsa_sig = self._ffi.gc(dsa_sig, self._lib.DSA_SIG_free)
-
-        dsa_sig.r = self._int_to_bn(r)
-        dsa_sig.s = self._int_to_bn(s)
-
-        sig_len = self._lib.i2d_DSA_SIG(dsa_sig, self._ffi.NULL)
-        assert sig_len != 0
-
-        sig_buf = self._ffi.new("unsigned char []", sig_len)
-        sig_bufptr = self._ffi.new("unsigned char **", sig_buf)
-
-        sig_len = self._lib.i2d_DSA_SIG(dsa_sig, sig_bufptr)
-
-        return self._ffi.buffer(sig_buf)[:sig_len]
-
     def _dsa_cdata_from_public_key(self, public_key):
         # Does not GC the DSA cdata. You *must* make sure it's freed
         # correctly yourself!
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index e0937f9..114b993 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -360,16 +360,8 @@
         :returns:
             :class:`~cryptography.hazmat.primitives.interfaces.AsymmetricVerificationContext`
 
-    .. method:: dsa_signature_from_components(r, s)
-
-        :param int r: The r value which is part of a DSA signature.
-
-        :param int s: The s value which is part of a DSA signature.
-
-        :returns: A DSA signature in DER format.
-
     .. method:: dsa_hash_supported(algorithm):
-        
+
         :param algorithm: An instance of a
             :class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm`
             provider.