diff --git a/ChangeLog b/ChangeLog
index a9357cb548..68678135f8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sat Nov 26 10:47:50 2011  Martin Bosslet  <Martin.Bosslet@googlemail.com>
+
+	* ext/openssl/extconf.rb: remove checks for available functions.
+	* ext/openssl/missing.h: ditto.
+	  Thanks, Tim Mooney for reporting this!
+	  [Bug #5432] [ruby-core:40088]
+
 Sat Nov 26 10:22:28 2011  Martin Bosslet  <Martin.Bosslet@googlemail.com>
 
 	* ext/openssl/ossl_ssl.c: add comment on where to find implementation
diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index a7872e19a2..3cea2ded7b 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -65,8 +65,6 @@ unless have_header("openssl/conf_api.h")
   exit 1
 end
 
-%w"rb_str_set_len rb_block_call".each {|func| have_func(func, "ruby.h")}
-
 message "=== Checking for OpenSSL features... ===\n"
 have_func("ERR_peek_last_error")
 have_func("ASN1_put_eoc")
diff --git a/ext/openssl/ruby_missing.h b/ext/openssl/ruby_missing.h
index 1c5d05baca..0f9de1c842 100644
--- a/ext/openssl/ruby_missing.h
+++ b/ext/openssl/ruby_missing.h
@@ -25,17 +25,4 @@
 #define rb_io_t OpenFile
 #endif
 
-#ifndef HAVE_RB_STR_SET_LEN
-/* these methods should probably be backported to 1.8 */
-#define rb_str_set_len(str, length) do {	\
-	RSTRING(str)->ptr[(length)] = 0;		\
-	RSTRING(str)->len = (length);		\
-} while(0)
-#endif /* ! HAVE_RB_STR_SET_LEN */
-
-#ifndef HAVE_RB_BLOCK_CALL
-/* the openssl module doesn't use arg[3-4] and arg2 is always rb_each */
-#define rb_block_call(arg1, arg2, arg3, arg4, arg5, arg6) rb_iterate(rb_each, (arg1), (arg5), (arg6))
-#endif /* ! HAVE_RB_BLOCK_CALL */
-
 #endif /* _OSSL_RUBY_MISSING_H_ */