diff --git a/.gitignore b/.gitignore
index 5320644d55..8f94ea5004 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,7 +41,6 @@ thirdparty/Mono.Nat.dll
 thirdparty/Moq.dll
 thirdparty/nuget.exe
 thirdparty/windows/lua51.dll
-thirdparty/windows/zlib1.dll
 thirdparty/windows/soft_oal.dll
 thirdparty/FuzzyLogicLibrary.dll
 thirdparty/SDL2-CS.dll