diff --git a/google/colab/_serverextension/_ram_utils.py b/google/colab/_serverextension/_ram_utils.py
index 764deb7e..2f080d41 100644
--- a/google/colab/_serverextension/_ram_utils.py
+++ b/google/colab/_serverextension/_ram_utils.py
@@ -30,7 +30,7 @@ def get_per_kernel_ram_usage(kernel_manager) -> dict[str, int]:
   """
 
   def get_pid(kernel):
-    # TODO: b/264409633 - Eliminate this function after migration to
+    # TODO: Eliminate this function after migration to
     # jupyter-client 7.x is complete.
     try:
       pid = kernel.provisioner.pid
diff --git a/google/colab/_shell.py b/google/colab/_shell.py
index 05f2a65e..2ba59029 100644
--- a/google/colab/_shell.py
+++ b/google/colab/_shell.py
@@ -68,7 +68,7 @@ def init_history(self):
     self.configurables.append(self.history_manager)
 
   def _should_use_native_system_methods(self):
-    # TODO: b/277214888 - Update to match intended values, as appropriate.
+    # TODO: Update to match intended values, as appropriate.
     return bool(os.getenv('USE_NATIVE_IPYTHON_SYSTEM_COMMANDS'))
 
   def getoutput(self, *args, **kwargs):
diff --git a/google/colab/auth.py b/google/colab/auth.py
index 4e307ded..fbe96a02 100644
--- a/google/colab/auth.py
+++ b/google/colab/auth.py
@@ -117,7 +117,7 @@ def _check_adc(credential_type=_CredentialType.NO_CHECK):
   from google.oauth2.service_account import Credentials as _ServiceAccountCredentials  # pylint: disable=g-import-not-at-top
 
   if credential_type == _CredentialType.SERVICE_ACCOUNT:
-    # TODO We should call refresh() on service account credentials
+    # TODO: We should call refresh() on service account credentials
     # as well.
     return isinstance(creds, _ServiceAccountCredentials)
   try:
diff --git a/google/colab/sql/bigquery.py b/google/colab/sql/bigquery.py
index a96308e1..71032ed7 100644
--- a/google/colab/sql/bigquery.py
+++ b/google/colab/sql/bigquery.py
@@ -30,7 +30,7 @@ class TableReference(TypedDict):
   table_id: str
 
 
-# TODO: b/421959485 - Use NotRequired once for optional fields.
+# TODO: Use NotRequired once for optional fields.
 class TableSchemaEntry(TypedDict):
   """An item in the schema of a BigQuery table."""
 
diff --git a/google/colab/widgets/_interactive_table.py b/google/colab/widgets/_interactive_table.py
index 61247606..bcccc9c8 100644
--- a/google/colab/widgets/_interactive_table.py
+++ b/google/colab/widgets/_interactive_table.py
@@ -63,7 +63,7 @@ def update_active_data(self):
           inplace=True,
       )
 
-    # TODO: b/359279590 - not sure if I need to heal nan here.
+    # TODO: not sure if I need to heal nan here.
     # Convert DataFrame to a list of records (dicts) for JSON serialization
     self.active_data = self.data[start_row:end_row].to_dict(orient="records")