diff --git a/.gitignore b/.gitignore
index 39ba003..68643b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -243,7 +243,6 @@ TSWLatexianTemp*
 
 # generated if using elsarticle.cls
 *.spl
-/main.pdf
 /example.pdf
 # do not put your personal signature in any repo
-authenticity_signature.png
\ No newline at end of file
+authenticity_signature.png