diff --git a/_pytest/_code/source.py b/_pytest/_code/source.py
index 7972b2908..ddc41dc89 100644
--- a/_pytest/_code/source.py
+++ b/_pytest/_code/source.py
@@ -280,8 +280,6 @@ def deindent(lines, offset=None):
     def readline_generator(lines):
         for line in lines:
             yield line + '\n'
-        while True:
-            yield ''
 
     it = readline_generator(lines)