diff --git a/src/config.py b/src/config.py
index 00edae1d..e5c314c3 100644
--- a/src/config.py
+++ b/src/config.py
@@ -205,8 +205,6 @@ class Config(SQL):
         v = self.execute("SELECT value FROM data WHERE key='last_solver_name'")
         self.last_solver_name = v[0]
 
-        self.last_study = v[0]
-
         # Debug
         v = self.execute("SELECT value FROM data WHERE key='debug'")
         self.debug = v[0] == "True"