diff --git a/packages/debug/gdb/build b/packages/debug/gdb/build
index 4232c00430..73ad50db13 100755
--- a/packages/debug/gdb/build
+++ b/packages/debug/gdb/build
@@ -7,7 +7,6 @@ $SCRIPTS/build ncurses
 $SCRIPTS/build expat
 
 export bash_cv_have_mbstate_t=set
-export ac_cv_libexpat=yes
 
 export CC_FOR_BUILD="$HOST_CC"
 export CFLAGS_FOR_BUILD="$HOST_CFLAGS"