diff --git a/colabs/boosting/Simple_LightGBM_Integration.ipynb b/colabs/boosting/Simple_LightGBM_Integration.ipynb
index 4ba06a2a..7ebf0a06 100644
--- a/colabs/boosting/Simple_LightGBM_Integration.ipynb
+++ b/colabs/boosting/Simple_LightGBM_Integration.ipynb
@@ -199,7 +199,8 @@
     "    'feature_fraction': 0.9,\n",
     "    'bagging_fraction': 0.8,\n",
     "    'bagging_freq': 5,\n",
-    "    'verbosity': 0\n",
+    "    'verbosity': 0,\n",
+    "    'early_stopping_rounds': 5,\n",
     "}\n",
     "\n",
     "wandb.init(project='my-lightgbm-project', config=params)"
@@ -234,7 +235,6 @@
     "                num_boost_round=30,\n",
     "                valid_sets=lgb_eval,\n",
     "                valid_names=('validation'),\n",
-    "                early_stopping_rounds=5,\n",
     "                callbacks=[wandb_callback()],\n",
     "                )"
    ]
diff --git a/colabs/intro/boom.txt b/colabs/intro/boom.txt
deleted file mode 100644
index 89656223..00000000
--- a/colabs/intro/boom.txt
+++ /dev/null
@@ -1 +0,0 @@
-tcnuqua1t6tw
\ No newline at end of file
diff --git a/colabs/keras/Intro_to_Weights_&_Biases.ipynb b/colabs/keras/Intro_to_Weights_&_Biases.ipynb
deleted file mode 120000
index 41712e1b..00000000
--- a/colabs/keras/Intro_to_Weights_&_Biases.ipynb
+++ /dev/null
@@ -1 +0,0 @@
-Intro_to_Weights_&_Biases.ipynb
\ No newline at end of file
diff --git a/colabs/pretrain_models/MobileNetV3_large_x0_5_pretrained.pdparams b/colabs/pretrain_models/MobileNetV3_large_x0_5_pretrained.pdparams
deleted file mode 100644
index 27c1479a..00000000
Binary files a/colabs/pretrain_models/MobileNetV3_large_x0_5_pretrained.pdparams and /dev/null differ