diff --git a/.gitignore b/.gitignore
index 6df82a1..38a86ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,17 +12,13 @@
 *.so.*
 
 #generated proxy
-*_u.c
-*_u.h
-*_t.c
-*_t.h
+samplecode/**/*_u.c
+samplecode/**/*_u.h
+samplecode/**/*_t.c
+samplecode/**/*_t.h
 
 **/target
 
-#generated sample files
-samplecode/**/target
-#samplecode/**/bin/*[!md]
-
 #generated assembly
 third_party/ring/pregenerated
 
@@ -37,8 +33,7 @@
 #libunwind
 sgx_unwind/libunwind/INSTALL
 sgx_unwind/libunwind/config/*
-sgx_unwind/libunwind/include/*.in
-sgx_unwind/libunwind/include/config.h.*
+sgx_unwind/libunwind/include/config.h.in~
 sgx_unwind/libunwind/Makefile.in
 sgx_unwind/libunwind/aclocal.m4
 sgx_unwind/libunwind/autom4te.cache/*