diff --git a/homeassistant/block_async_io.py b/homeassistant/block_async_io.py
index 49c8af56cbc..5b8ba535b5a 100644
--- a/homeassistant/block_async_io.py
+++ b/homeassistant/block_async_io.py
@@ -61,7 +61,7 @@ class BlockingCall:
     skip_for_tests: bool
 
 
-BLOCKING_CALLS: tuple[BlockingCall, ...] = (
+_BLOCKING_CALLS: tuple[BlockingCall, ...] = (
     BlockingCall(
         original_func=HTTPConnection.putrequest,
         object=HTTPConnection,
@@ -153,16 +153,17 @@ class BlockedCalls:
     calls: set[BlockingCall]
 
 
-BLOCKED_CALLS = BlockedCalls(set())
+_BLOCKED_CALLS = BlockedCalls(set())
 
 
 def enable() -> None:
     """Enable the detection of blocking calls in the event loop."""
-    if BLOCKED_CALLS.calls:
+    calls = _BLOCKED_CALLS.calls
+    if calls:
         raise RuntimeError("Blocking call detection is already enabled")
 
     loop_thread_id = threading.get_ident()
-    for blocking_call in BLOCKING_CALLS:
+    for blocking_call in _BLOCKING_CALLS:
         if _IN_TESTS and blocking_call.skip_for_tests:
             continue
 
@@ -174,4 +175,4 @@ def enable() -> None:
             loop_thread_id=loop_thread_id,
         )
         setattr(blocking_call.object, blocking_call.function, protected_function)
-        BLOCKED_CALLS.calls.add(blocking_call)
+        calls.add(blocking_call)
diff --git a/tests/common.py b/tests/common.py
index da39168b681..0c1527c5bc7 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -1771,8 +1771,9 @@ async def snapshot_platform(
 
 def disable_block_async_io() -> None:
     """Disable the detection of blocking calls in the event loop."""
-    for blocking_call in block_async_io.BLOCKED_CALLS.calls:
+    calls = block_async_io._BLOCKED_CALLS.calls
+    for blocking_call in calls:
         setattr(
             blocking_call.object, blocking_call.function, blocking_call.original_func
         )
-    block_async_io.BLOCKED_CALLS.calls.clear()
+    calls.clear()