diff --git a/content/GA_2_5/old_Analysis_GA_solution.ipynb b/content/GA_2_5/old_Analysis_GA_solution.ipynb
index fcba14814a20cdfd97e1f4273cc28867cefc7cd2..7ac31c77edd207c4b96fd7b5877a399ee87fba07 100644
--- a/content/GA_2_5/old_Analysis_GA_solution.ipynb
+++ b/content/GA_2_5/old_Analysis_GA_solution.ipynb
@@ -455,10 +455,6 @@
    "source": [
     "# define parameters, case study (network) list and the directory where their files are\n",
     "extension_factor = 1.5  # capacity after extension (1.5 means add 50%)\n",
-    "extension_max_no = 20  # the number of links to add capacity to (simplified way of reprsenting a budget for investing)\n",
-    "#it's the same to say that it's exactly this number of that this number is the max, that's because every investment brings travel time benefits \n",
-    "#even if just one car circulates.\n",
-    "timelimit = 300 # seconds\n",
     "beta = 2  # parameter to use in link travel time function (explained later)\n",
     "\n",
     "networks = ['SiouxFalls']\n",