diff --git a/.gitignore b/.gitignore
index 86cc8af..761bedb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 /.libs
 test_*.txt
 *.pc
+doc/tfm.pdf
 
 *.gcda
 *.gcno
diff --git a/doc/tfm.pdf b/doc/tfm.pdf
deleted file mode 100644
index 5b560b1..0000000
Binary files a/doc/tfm.pdf and /dev/null differ