diff --git a/lib/.gitignore b/lib/.gitignore
index b37a0e8..62cdfeb 100644
--- a/lib/.gitignore
+++ b/lib/.gitignore
@@ -1,6 +1,7 @@
 Makefile.am
 
 /_Noreturn.h
+/attribute.h
 /btowc.c
 /c-ctype.c
 /c-ctype.h
diff --git a/m4/.gitignore b/m4/.gitignore
index 1fec5d3..5021bf1 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -94,3 +94,4 @@
 /wint_t.m4
 /wmemcpy.m4
 /xsize.m4
+/zzgnulib.m4