diff --git a/configure b/configure
index 2216e59706d..47240f58053 100755
--- a/configure
+++ b/configure
@@ -15491,84 +15491,6 @@ _ACEOF
 
 fi
 
-{ echo "$as_me:$LINENO: checking for -ltxc_dxtn" >&5
-echo $ECHO_N "checking for -ltxc_dxtn... $ECHO_C" >&6; }
-if test "${ac_cv_lib_soname_txc_dxtn+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_soname_save_LIBS=$LIBS
-LIBS="-ltxc_dxtn  $LIBS"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* 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 fetch_2d_texel_rgba_dxt1 ();
-int
-main ()
-{
-return fetch_2d_texel_rgba_dxt1 ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
-  case "$LIBEXT" in
-    dll) ;;
-    dylib) ac_cv_lib_soname_txc_dxtn=`otool -L conftest$ac_exeext | grep "libtxc_dxtn\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libtxc_dxtn\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
-    *) ac_cv_lib_soname_txc_dxtn=`$ac_cv_path_LDD conftest$ac_exeext | grep "libtxc_dxtn\\.$LIBEXT" | sed -e "s/^.*\(libtxc_dxtn\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
-  esac
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-  LIBS=$ac_check_soname_save_LIBS
-fi
-if test "x$ac_cv_lib_soname_txc_dxtn" = "x"; then
-  { echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6; }
-
-else
-  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_txc_dxtn" >&5
-echo "${ECHO_T}$ac_cv_lib_soname_txc_dxtn" >&6; }
-
-cat >>confdefs.h <<_ACEOF
-#define SONAME_LIBTXC_DXTN "$ac_cv_lib_soname_txc_dxtn"
-_ACEOF
-
-
-fi
-
 
 
 
diff --git a/configure.ac b/configure.ac
index 7e0b73efbe0..01165a0c7d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1150,7 +1150,6 @@ WINE_CHECK_SONAME(Xext,XextCreateExtension,,,[$X_LIBS -lX11 $X_EXTRA_LIBS])
 WINE_CHECK_SONAME(Xi,XOpenDevice,,,[$X_LIBS -lXext -lX11 $X_EXTRA_LIBS])
 WINE_CHECK_SONAME(Xcursor,XcursorImageLoadCursor,,,[$X_LIBS -lX11 $X_EXTRA_LIBS])
 WINE_CHECK_SONAME(freetype,FT_Init_FreeType,,,[$X_LIBS])
-WINE_CHECK_SONAME(txc_dxtn,fetch_2d_texel_rgba_dxt1)
 
 
 dnl **** Check for functions ****
diff --git a/include/config.h.in b/include/config.h.in
index 0aed6ea522f..807d3654061 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -1002,9 +1002,6 @@
 /* Define to the soname of the libssl library. */
 #undef SONAME_LIBSSL
 
-/* Define to the soname of the libtxc_dxtn library. */
-#undef SONAME_LIBTXC_DXTN
-
 /* Define to the soname of the libX11 library. */
 #undef SONAME_LIBX11