diff --git a/homeassistant/components/bluetooth/advertisement_tracker.py b/homeassistant/components/bluetooth/advertisement_tracker.py
index b6a70e32865..f17bcf938f5 100644
--- a/homeassistant/components/bluetooth/advertisement_tracker.py
+++ b/homeassistant/components/bluetooth/advertisement_tracker.py
@@ -18,11 +18,12 @@ TRACKER_BUFFERING_WOBBLE_SECONDS = 5
 class AdvertisementTracker:
     """Tracker to determine the interval that a device is advertising."""
 
-    __slots__ = ("intervals", "sources", "_timings")
+    __slots__ = ("intervals", "fallback_intervals", "sources", "_timings")
 
     def __init__(self) -> None:
         """Initialize the tracker."""
         self.intervals: dict[str, float] = {}
+        self.fallback_intervals: dict[str, float] = {}
         self.sources: dict[str, str] = {}
         self._timings: dict[str, list[float]] = {}
 
@@ -31,6 +32,7 @@ class AdvertisementTracker:
         """Return diagnostics."""
         return {
             "intervals": self.intervals,
+            "fallback_intervals": self.fallback_intervals,
             "sources": self.sources,
             "timings": self._timings,
         }
@@ -67,6 +69,11 @@ class AdvertisementTracker:
         self.sources.pop(address, None)
         self._timings.pop(address, None)
 
+    @callback
+    def async_remove_fallback_interval(self, address: str) -> None:
+        """Remove fallback interval."""
+        self.fallback_intervals.pop(address, None)
+
     @callback
     def async_remove_source(self, source: str) -> None:
         """Remove the tracker."""
diff --git a/homeassistant/components/bluetooth/manager.py b/homeassistant/components/bluetooth/manager.py
index d69558fe7fd..34edccaf4ab 100644
--- a/homeassistant/components/bluetooth/manager.py
+++ b/homeassistant/components/bluetooth/manager.py
@@ -109,6 +109,7 @@ class BluetoothManager:
         "_cancel_logging_listener",
         "_advertisement_tracker",
         "_fallback_intervals",
+        "_intervals",
         "_unavailable_callbacks",
         "_connectable_unavailable_callbacks",
         "_callback_index",
@@ -140,7 +141,8 @@ class BluetoothManager:
         self._cancel_logging_listener: CALLBACK_TYPE | None = None
 
         self._advertisement_tracker = AdvertisementTracker()
-        self._fallback_intervals: dict[str, float] = {}
+        self._fallback_intervals = self._advertisement_tracker.fallback_intervals
+        self._intervals = self._advertisement_tracker.intervals
 
         self._unavailable_callbacks: dict[
             str, list[Callable[[BluetoothServiceInfoBleak], None]]
@@ -359,7 +361,7 @@ class BluetoothManager:
                     # The second loop (connectable=False) is responsible for removing
                     # the device from all the interval tracking since it is no longer
                     # available for both connectable and non-connectable
-                    self._fallback_intervals.pop(address, None)
+                    tracker.async_remove_fallback_interval(address)
                     tracker.async_remove_address(address)
                     self._integration_matcher.async_clear_address(address)
                     self._async_dismiss_discoveries(address)
@@ -390,7 +392,7 @@ class BluetoothManager:
     ) -> bool:
         """Prefer previous advertisement from a different source if it is better."""
         if new.time - old.time > (
-            stale_seconds := self._advertisement_tracker.intervals.get(
+            stale_seconds := self._intervals.get(
                 new.address,
                 self._fallback_intervals.get(
                     new.address, FALLBACK_MAXIMUM_STALE_ADVERTISEMENT_SECONDS
@@ -791,7 +793,7 @@ class BluetoothManager:
     @hass_callback
     def async_get_learned_advertising_interval(self, address: str) -> float | None:
         """Get the learned advertising interval for a MAC address."""
-        return self._advertisement_tracker.intervals.get(address)
+        return self._intervals.get(address)
 
     @hass_callback
     def async_get_fallback_availability_interval(self, address: str) -> float | None:
diff --git a/tests/components/bluetooth/test_diagnostics.py b/tests/components/bluetooth/test_diagnostics.py
index 765e2a9a612..0e8b2b54f06 100644
--- a/tests/components/bluetooth/test_diagnostics.py
+++ b/tests/components/bluetooth/test_diagnostics.py
@@ -157,6 +157,7 @@ async def test_diagnostics(
                 },
                 "advertisement_tracker": {
                     "intervals": {},
+                    "fallback_intervals": {},
                     "sources": {},
                     "timings": {},
                 },
@@ -328,6 +329,7 @@ async def test_diagnostics_macos(
                 },
                 "advertisement_tracker": {
                     "intervals": {},
+                    "fallback_intervals": {},
                     "sources": {"44:44:33:11:23:45": "local"},
                     "timings": {"44:44:33:11:23:45": [ANY]},
                 },
@@ -520,6 +522,7 @@ async def test_diagnostics_remote_adapter(
                 },
                 "advertisement_tracker": {
                     "intervals": {},
+                    "fallback_intervals": {},
                     "sources": {"44:44:33:11:23:45": "esp32"},
                     "timings": {"44:44:33:11:23:45": [ANY]},
                 },