diff --git a/ChangeLog b/ChangeLog
index 61bf8e773..d83d10a65 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-11  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* autogen.sh: Do not try to delete nonexistant files.
+	* util/import_gcrypth.sed: Add some missing header removals.
+
 2013-01-12  Colin Watson  <cjwatson@ubuntu.com>
 
 	Clean up dangling references to grub-setup.
diff --git a/autogen.sh b/autogen.sh
index 55240833f..7a4b5c8be 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -14,13 +14,19 @@ python util/import_unicode.py unicode/UnicodeData.txt unicode/BidiMirroring.txt
 echo "Importing libgcrypt..."
 python util/import_gcry.py grub-core/lib/libgcrypt/ grub-core
 sed -n -f util/import_gcrypth.sed < grub-core/lib/libgcrypt/src/gcrypt.h.in > include/grub/gcrypt/gcrypt.h
-rm include/grub/gcrypt/g10lib.h
-rm -rf grub-core/lib/libgcrypt-grub/mpi/generic
+if [ -f include/grub/gcrypt/g10lib.h ]; then
+    rm include/grub/gcrypt/g10lib.h
+fi
+if [ -d grub-core/lib/libgcrypt-grub/mpi/generic ]; then 
+    rm -rf grub-core/lib/libgcrypt-grub/mpi/generic
+fi
 ln -s ../../../grub-core/lib/libgcrypt-grub/src/g10lib.h include/grub/gcrypt/g10lib.h
 cp -R grub-core/lib/libgcrypt/mpi/generic grub-core/lib/libgcrypt-grub/mpi/generic
 
 for x in mpi-asm-defs.h mpih-add1.c mpih-sub1.c mpih-mul1.c mpih-mul2.c mpih-mul3.c mpih-lshift.c mpih-rshift.c; do
-    rm grub-core/lib/libgcrypt-grub/mpi/"$x"
+    if [ -f grub-core/lib/libgcrypt-grub/mpi/"$x" ]; then
+	rm grub-core/lib/libgcrypt-grub/mpi/"$x"
+    fi
     ln -s generic/"$x" grub-core/lib/libgcrypt-grub/mpi/"$x"
 done
 
diff --git a/util/import_gcrypth.sed b/util/import_gcrypth.sed
index 1cf31bd9a..dead8e60e 100644
--- a/util/import_gcrypth.sed
+++ b/util/import_gcrypth.sed
@@ -1,7 +1,12 @@
 /^#@INSERT_SYS_SELECT_H@/ d
 /^@FALLBACK_SOCKLEN_T@/ d
-/^#include <stdlib\.h>/ d
-/^#include <string\.h>/ d
-/^#include <gpg-error\.h>/ s,#include <gpg-error.h>,#include <grub/gcrypt/gpg-error.h>,
+/^# *include <stdlib\.h>/ d
+/^# *include <string\.h>/ d
+/^# *include <winsock2\.h>/ d
+/^# *include <ws2tcpip\.h>/ d
+/^# *include <time\.h>/ d
+/^# *include <sys\/socket\.h>/ d
+/^# *include <sys\/time\.h>/ d
+/^# *include <gpg-error\.h>/ s,#include <gpg-error.h>,#include <grub/gcrypt/gpg-error.h>,
 s,_gcry_mpi_invm,gcry_mpi_invm,g
 p
\ No newline at end of file