diff --git a/pw_bluetooth_sapphire/host/gap/bredr_connection_manager.cc b/pw_bluetooth_sapphire/host/gap/bredr_connection_manager.cc
index 9d4550ce0..32c3a36fc 100644
--- a/pw_bluetooth_sapphire/host/gap/bredr_connection_manager.cc
+++ b/pw_bluetooth_sapphire/host/gap/bredr_connection_manager.cc
@@ -139,38 +139,18 @@ void SetPageScanEnabled(bool enabled,
 
 hci::CommandChannel::EventHandlerId BrEdrConnectionManager::AddEventHandler(
     const hci_spec::EventCode& code,
-    hci::CommandChannel::EventCallbackVariant cb) {
+    hci::CommandChannel::EmbossEventCallback cb) {
   auto self = weak_self_.GetWeakPtr();
   hci::CommandChannel::EventHandlerId event_id = 0;
-  event_id = std::visit(
-      [hci = hci_, &self, code](
-          auto&& callback) -> hci::CommandChannel::EventHandlerId {
-        using T = std::decay_t<decltype(callback)>;
-        if constexpr (std::is_same_v<T, hci::CommandChannel::EventCallback>) {
-          return hci->command_channel()->AddEventHandler(
-              code,
-              [self,
-               event_cb = std::move(callback)](const hci::EventPacket& event) {
-                if (!self.is_alive()) {
-                  return hci::CommandChannel::EventCallbackResult::kRemove;
-                }
-                return event_cb(event);
-              });
-        } else if constexpr (std::is_same_v<
-                                 T,
-                                 hci::CommandChannel::EmbossEventCallback>) {
-          return hci->command_channel()->AddEventHandler(
-              code,
-              [self, emboss_event_cb = std::move(callback)](
-                  const hci::EmbossEventPacket& event) {
-                if (!self.is_alive()) {
-                  return hci::CommandChannel::EventCallbackResult::kRemove;
-                }
-                return emboss_event_cb(event);
-              });
+  event_id = hci_->command_channel()->AddEventHandler(
+      code,
+      [self,
+       emboss_event_cb = std::move(cb)](const hci::EmbossEventPacket& event) {
+        if (!self.is_alive()) {
+          return hci::CommandChannel::EventCallbackResult::kRemove;
         }
-      },
-      std::move(cb));
+        return emboss_event_cb(event);
+      });
   PW_DCHECK(event_id);
   event_handler_ids_.push_back(event_id);
   return event_id;
diff --git a/pw_bluetooth_sapphire/host/sco/sco_connection_manager.cc b/pw_bluetooth_sapphire/host/sco/sco_connection_manager.cc
index 4f09a22b4..de43e9ec6 100644
--- a/pw_bluetooth_sapphire/host/sco/sco_connection_manager.cc
+++ b/pw_bluetooth_sapphire/host/sco/sco_connection_manager.cc
@@ -129,37 +129,17 @@ ScoConnectionManager::RequestHandle ScoConnectionManager::AcceptConnection(
 
 hci::CommandChannel::EventHandlerId ScoConnectionManager::AddEventHandler(
     const hci_spec::EventCode& code,
-    hci::CommandChannel::EventCallbackVariant event_cb_variant) {
+    hci::CommandChannel::EmbossEventCallback event_cb) {
   auto self = weak_ptr_factory_.GetWeakPtr();
   hci::CommandChannel::EventHandlerId event_id = 0;
-  event_id = std::visit(
-      [this, &self, code](
-          auto&& event_cb) -> hci::CommandChannel::EventHandlerId {
-        using T = std::decay_t<decltype(event_cb)>;
-        if constexpr (std::is_same_v<T, hci::CommandChannel::EventCallback>) {
-          return transport_->command_channel()->AddEventHandler(
-              code,
-              [self, cb = std::move(event_cb)](const hci::EventPacket& event) {
-                if (!self.is_alive()) {
-                  return hci::CommandChannel::EventCallbackResult::kRemove;
-                }
-                return cb(event);
-              });
-        } else if constexpr (std::is_same_v<
-                                 T,
-                                 hci::CommandChannel::EmbossEventCallback>) {
-          return transport_->command_channel()->AddEventHandler(
-              code,
-              [self,
-               cb = std::move(event_cb)](const hci::EmbossEventPacket& event) {
-                if (!self.is_alive()) {
-                  return hci::CommandChannel::EventCallbackResult::kRemove;
-                }
-                return cb(event);
-              });
+  event_id = transport_->command_channel()->AddEventHandler(
+      code,
+      [self, cb = std::move(event_cb)](const hci::EmbossEventPacket& event) {
+        if (!self.is_alive()) {
+          return hci::CommandChannel::EventCallbackResult::kRemove;
         }
-      },
-      std::move(event_cb_variant));
+        return cb(event);
+      });
   PW_CHECK(event_id);
   event_handler_ids_.push_back(event_id);
   return event_id;
diff --git a/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/gap/bredr_connection_manager.h b/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/gap/bredr_connection_manager.h
index 2255ef664..c30adc7e7 100644
--- a/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/gap/bredr_connection_manager.h
+++ b/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/gap/bredr_connection_manager.h
@@ -235,7 +235,7 @@ class BrEdrConnectionManager final {
   // Helper to register an event handler to run.
   hci::CommandChannel::EventHandlerId AddEventHandler(
       const hci_spec::EventCode& code,
-      hci::CommandChannel::EventCallbackVariant cb);
+      hci::CommandChannel::EmbossEventCallback cb);
 
   // Find the outstanding connection request object for a connection request
   // to/from |peer_id|. Returns nullopt if no request for |peer_id| exists.
diff --git a/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/sco/sco_connection_manager.h b/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/sco/sco_connection_manager.h
index 3cb3b8009..526eb0fc9 100644
--- a/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/sco/sco_connection_manager.h
+++ b/pw_bluetooth_sapphire/public/pw_bluetooth_sapphire/internal/host/sco/sco_connection_manager.h
@@ -139,7 +139,7 @@ class ScoConnectionManager final {
 
   hci::CommandChannel::EventHandlerId AddEventHandler(
       const hci_spec::EventCode& code,
-      hci::CommandChannel::EventCallbackVariant event_callback_variant);
+      hci::CommandChannel::EmbossEventCallback event_callback);
 
   // Event handlers:
   hci::CommandChannel::EventCallbackResult OnSynchronousConnectionComplete(