diff --git a/build/cmake/setup.cmake b/build/cmake/setup.cmake
index c3bfa21f55..7808705b74 100644
--- a/build/cmake/setup.cmake
+++ b/build/cmake/setup.cmake
@@ -614,7 +614,6 @@ set(CMAKE_REQUIRED_LIBRARIES dl)
 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
 cmake_pop_check_state()
 if(HAVE_DLOPEN)
-    check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR)
     check_symbol_exists(dladdr dlfcn.h HAVE_DLADDR)
 endif()
 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
diff --git a/build/cmake/setup.h.in b/build/cmake/setup.h.in
index 0c9b66537d..613cef5ba5 100644
--- a/build/cmake/setup.h.in
+++ b/build/cmake/setup.h.in
@@ -1086,9 +1086,6 @@
 /* Define if wchar_t is distinct type in your compiler. */
 #cmakedefine wxWCHAR_T_IS_REAL_TYPE 1
 
-/* Define if you have the dlerror function.  */
-#cmakedefine HAVE_DLERROR 1
-
 /* Define if you have the dladdr function.  */
 #cmakedefine HAVE_DLADDR 1
 
diff --git a/configure b/configure
index 9e469df421..9b6e686b28 100755
--- a/configure
+++ b/configure
@@ -32744,63 +32744,6 @@ done
 
 
                         if test "$HAVE_DL_FUNCS" = 1; then
-                for ac_func in dlerror
-do :
-  ac_fn_c_check_func "$LINENO" "dlerror" "ac_cv_func_dlerror"
-if test "x$ac_cv_func_dlerror" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DLERROR 1
-_ACEOF
- $as_echo "#define HAVE_DLERROR 1" >>confdefs.h
-
-else
-
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlerror in -ldl" >&5
-$as_echo_n "checking for dlerror in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlerror+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlerror ();
-int
-main ()
-{
-return dlerror ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dl_dlerror=yes
-else
-  ac_cv_lib_dl_dlerror=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlerror" >&5
-$as_echo "$ac_cv_lib_dl_dlerror" >&6; }
-if test "x$ac_cv_lib_dl_dlerror" = xyes; then :
-  $as_echo "#define HAVE_DLERROR 1" >>confdefs.h
-
-fi
-
-
-
-fi
-done
-
                 for ac_func in dladdr
 do :
   ac_fn_c_check_func "$LINENO" "dladdr" "ac_cv_func_dladdr"
diff --git a/configure.in b/configure.in
index 6c521274c6..4bf3edd290 100644
--- a/configure.in
+++ b/configure.in
@@ -5390,12 +5390,6 @@ if test "$TOOLKIT" != "MSW"; then
 
             dnl check also for dlerror()
             if test "$HAVE_DL_FUNCS" = 1; then
-                AC_CHECK_FUNCS(dlerror,
-                    AC_DEFINE(HAVE_DLERROR),
-                    [
-                        AC_CHECK_LIB(dl, dlerror, AC_DEFINE(HAVE_DLERROR))
-                    ]
-                )
                 AC_CHECK_FUNCS(dladdr,
                     AC_DEFINE(HAVE_DLADDR),
                     [
diff --git a/include/wx/osx/config_xcode.h b/include/wx/osx/config_xcode.h
index a1ceef066a..cafe26808e 100644
--- a/include/wx/osx/config_xcode.h
+++ b/include/wx/osx/config_xcode.h
@@ -87,7 +87,6 @@
 #define SIZEOF_LONG_LONG 8
 #define wxSIZE_T_IS_ULONG 1
 #define wxWCHAR_T_IS_REAL_TYPE 1
-#define HAVE_DLERROR 1
 #define HAVE_FCNTL 1
 #define HAVE_GETHOSTBYNAME 1
 #define HAVE_GETSERVBYNAME 1
diff --git a/setup.h.in b/setup.h.in
index b192d1d84b..59a8fce331 100644
--- a/setup.h.in
+++ b/setup.h.in
@@ -1086,9 +1086,6 @@
 /* Define if wchar_t is distinct type in your compiler. */
 #undef wxWCHAR_T_IS_REAL_TYPE
 
-/* Define if you have the dlerror function.  */
-#undef HAVE_DLERROR
-
 /* Define if you have the dladdr function.  */
 #undef HAVE_DLADDR
 
diff --git a/setup.h_vms b/setup.h_vms
index 42461b9b04..ddb49c8cce 100644
--- a/setup.h_vms
+++ b/setup.h_vms
@@ -1194,9 +1194,6 @@ typedef pid_t GPid;
 /* Define if wchar_t is distinct type in your compiler. */
 #define wxWCHAR_T_IS_REAL_TYPE 1
 
-/* Define if you have the dlerror function.  */
-#define HAVE_DLERROR 1
-
 /* Define if you have the dladdr function.  */
 #undef HAVE_DLADDR