diff --git a/megatron/global_vars.py b/megatron/global_vars.py
index 1584a72b8..1b52815f2 100644
--- a/megatron/global_vars.py
+++ b/megatron/global_vars.py
@@ -152,7 +152,11 @@ def _set_tensorboard_writer(args):
                   'no TensorBoard logs will be written.', flush=True)
 
 
+# Important: the codecarbon is very unstable and its latest incarnation using the python scheduler interferes with the asyncio library we use in the test suite which breaks everything, so making this a no-op for now.
 def _set_codecarbon_tracker(args):
+
+    return # turned off
+
     global _GLOBAL_CODECARBON_TRACKER
     if not hasattr(args, 'codecarbon_dir') or args.codecarbon_dir is None:
         return
@@ -187,6 +191,9 @@ def _set_codecarbon_tracker(args):
 
 
 def codecarbon_tracker_start():
+
+    return # turned off, see the notes above
+
     global _GLOBAL_CODECARBON_TRACKER
     if _GLOBAL_CODECARBON_TRACKER is None:
         return
@@ -196,6 +203,9 @@ def codecarbon_tracker_start():
 
 
 def codecarbon_tracker_stop():
+
+    return # turned off, see the notes above
+
     global _GLOBAL_CODECARBON_TRACKER
     if _GLOBAL_CODECARBON_TRACKER is None:
         return
@@ -205,6 +215,9 @@ def codecarbon_tracker_stop():
 
 
 def codecarbon_tracker_flush():
+
+    return # turned off, see the notes above
+
     global _GLOBAL_CODECARBON_TRACKER
     if _GLOBAL_CODECARBON_TRACKER is None:
         return
diff --git a/requirements.txt b/requirements.txt
index ef6c6af42..e65c51c4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,8 +9,6 @@ tensorboard
 torch
 transformers
 DeepSpeed @ git+https://github.com/microsoft/DeepSpeed.git
-# at some point when it starts working freeze with ether min version or sha using the syntax codecarbon.git@deadbeaf 
-codecarbon @ git+https://github.com/mlco2/codecarbon.git
 # versions from HF transformers
 black==21.4b0
 isort>=5.5.4
diff --git a/tests/test_training.py b/tests/test_training.py
index 8e02052df..0952c0afb 100644
--- a/tests/test_training.py
+++ b/tests/test_training.py
@@ -111,7 +111,6 @@ def get_variation_config(self, variation, output_dir):
                 --save {output_dir}/checkpoints
                 --load {output_dir}/checkpoints
                 --data-path {data_dir}/meg-gpt2-openwebtext_text_document
-                --codecarbon-dir {output_dir}/codecarbon
                 --tensorboard-dir {output_dir}/tensorboard
                 --tensorboard-queue-size 5
                 --log-timers-to-tensorboard
@@ -314,7 +313,6 @@ def test_training_prefix_lm_all(self):
             --save {output_dir}/checkpoints
             --load {output_dir}/checkpoints
             --data-path {data_dir}/meg-gpt2-openwebtext_text_document
-            --codecarbon-dir {output_dir}/codecarbon
             --tensorboard-dir {output_dir}/tensorboard
             --tensorboard-queue-size 5
             --log-timers-to-tensorboard