diff --git a/3rdparty/cpprestsdk/libs/websocketpp/.gitattributes b/3rdparty/cpprestsdk/libs/websocketpp/.gitattributes
deleted file mode 100644
index a9e4fc784b088e8582ad9b1abeffbddcbe2ab949..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/libs/websocketpp/.gitattributes
+++ /dev/null
@@ -1,18 +0,0 @@
-# Lineendings
-*.sln       eol=crlf
-*.vcproj    eol=crlf
-*.vcxproj*  eol=crlf
-
-# Whitespace rules
-# strict (no trailing, no tabs)
-*.cpp       whitespace=trailing-space,space-before-tab,tab-in-indent,cr-at-eol
-*.hpp       whitespace=trailing-space,space-before-tab,tab-in-indent,cr-at-eol
-*.c         whitespace=trailing-space,space-before-tab,tab-in-indent,cr-at-eol
-*.h         whitespace=trailing-space,space-before-tab,tab-in-indent,cr-at-eol
-
-# normal (no trailing)
-*.sql       whitespace=trailing-space,space-before-tab,cr-at-eol
-*.txt       whitespace=trailing-space,space-before-tab,cr-at-eol
-
-# special files which must ignore whitespace
-*.patch     whitespace=-trailing-space