diff --git a/smocore/deviceManager/deviceManager.cpp b/smocore/deviceManager/deviceManager.cpp
index eef7dac..2df14fa 100644
--- a/smocore/deviceManager/deviceManager.cpp
+++ b/smocore/deviceManager/deviceManager.cpp
@@ -95,6 +95,104 @@ public:
 	}
 };
 
+class DeviceManager::RemoveDeviceAttachmentSpecReq
+:	public PostedAsynchronousContinuation<removeDeviceAttachmentSpecReqCbFn>
+{
+public:
+	RemoveDeviceAttachmentSpecReq(
+		const std::shared_ptr<DeviceAttachmentSpec> &s,
+		const std::shared_ptr<ComponentThread> &caller,
+		Callback<removeDeviceAttachmentSpecReqCbFn> cb)
+	:	PostedAsynchronousContinuation<removeDeviceAttachmentSpecReqCbFn>(
+			caller, cb),
+	spec(s)
+	{}
+
+public:
+	void removeDeviceAttachmentSpecReq1_posted(
+		[[maybe_unused]] std::shared_ptr<RemoveDeviceAttachmentSpecReq> context
+		)
+	{
+		// Call detachSenseDeviceReq first - only clean up metadata if this succeeds
+		DeviceManager::getInstance().detachSenseDeviceReq(
+			spec,
+			{context, std::bind(
+				&RemoveDeviceAttachmentSpecReq::removeDeviceAttachmentSpecReq2,
+				context.get(), context,
+				std::placeholders::_1, std::placeholders::_2)});
+	}
+
+	void removeDeviceAttachmentSpecReq2(
+		[[maybe_unused]] std::shared_ptr<RemoveDeviceAttachmentSpecReq> context,
+		bool success,
+		std::shared_ptr<DeviceAttachmentSpec> deviceSpec
+		)
+	{
+		if (!success)
+		{
+			// Detach failed, callback with failure (metadata remains intact)
+			callOriginalCb(false, deviceSpec);
+			return;
+		}
+
+		// Detach succeeded, now find and clean up metadata
+		try {
+			// Find the DeviceRole in attachedDeviceRoles
+			auto deviceRoleIt = std::find_if(
+				attachedDeviceRoles.begin(),
+				attachedDeviceRoles.end(),
+				[&spec = spec](const std::shared_ptr<DeviceRole> &role) {
+					return *role->deviceAttachmentSpec == *spec;
+				}
+			);
+
+			if (deviceRoleIt == attachedDeviceRoles.end())
+			{
+				// DeviceRole not found, callback with failure
+				callOriginalCb(false, deviceSpec);
+				return;
+			}
+
+			auto deviceRole = *deviceRoleIt;
+			auto& device = deviceRole->parentDevice;
+
+			// Remove DeviceRole from DeviceManager's collection
+			attachedDeviceRoles.erase(deviceRoleIt);
+
+			// Remove DeviceRole from Device's collection
+			auto deviceRoleIt2 = std::find(
+				device.deviceRoles.begin(),
+				device.deviceRoles.end(),
+				deviceRole);
+			if (deviceRoleIt2 != device.deviceRoles.end())
+			{
+				device.deviceRoles.erase(deviceRoleIt2);
+			}
+
+			// Remove DeviceAttachmentSpec from deviceAttachmentSpecs collection
+			auto specIt = std::find_if(
+				deviceAttachmentSpecs.begin(),
+				deviceAttachmentSpecs.end(),
+				[&spec = spec](const std::shared_ptr<DeviceAttachmentSpec> &existingSpec) {
+					return *existingSpec == *spec;
+				});
+			if (specIt != deviceAttachmentSpecs.end())
+			{
+				deviceAttachmentSpecs.erase(specIt);
+			}
+
+			// Callback with success
+			callOriginalCb(true, deviceSpec);
+		} catch (const std::exception& e) {
+			// Cleanup failed, callback with error
+			callOriginalCb(false, deviceSpec);
+		}
+	}
+
+public:
+	std::shared_ptr<DeviceAttachmentSpec> spec;
+};
+
 void DeviceManager::newDeviceAttachmentSpecInd(
 	const DeviceAttachmentSpec &spec,
 	Callback<newDeviceAttachmentSpecIndCbFn> callback)
@@ -177,6 +275,39 @@ void DeviceManager::newDeviceAttachmentSpecInd(
 			continuation.get(), continuation));
 }
 
+void DeviceManager::removeDeviceAttachmentSpecReq(
+	const DeviceAttachmentSpec &spec,
+	Callback<removeDeviceAttachmentSpecReqCbFn> callback)
+{
+	// Find the shared_ptr to the spec in the collection
+	std::shared_ptr<DeviceAttachmentSpec> specPtr = nullptr;
+	for (const auto& existingSpec : deviceAttachmentSpecs)
+	{
+		if (*existingSpec == spec)
+		{
+			specPtr = existingSpec;
+			break;
+		}
+	}
+
+	if (!specPtr)
+	{
+		// Spec not found, callback with failure
+		callback.callbackFn(false, nullptr);
+		return;
+	}
+
+	// Create async continuation
+	const auto& caller = ComponentThread::getSelf();
+	auto continuation = std::make_shared<RemoveDeviceAttachmentSpecReq>(
+		specPtr, caller, callback);
+
+	mrntt::mrntt.thread->getIoService().post(
+		std::bind(
+			&RemoveDeviceAttachmentSpecReq::removeDeviceAttachmentSpecReq1_posted,
+			continuation.get(), continuation));
+}
+
 class DeviceManager::AttachSenseDeviceReq
 :	public PostedAsynchronousContinuation<attachSenseDeviceReqCbFn>
 {
diff --git a/smocore/include/deviceManager/deviceManager.h b/smocore/include/deviceManager/deviceManager.h
index cd095d6..ec3df66 100644
--- a/smocore/include/deviceManager/deviceManager.h
+++ b/smocore/include/deviceManager/deviceManager.h
@@ -39,14 +39,20 @@ public:
 
     static const std::string stringifyDeviceSpecs(void);
 
-    // New async function for device attachment
 	typedef std::function<void(
 		bool success, std::shared_ptr<DeviceRole> deviceRole,
 		std::shared_ptr<DeviceAttachmentSpec> deviceSpec)>
 		newDeviceAttachmentSpecIndCbFn;
+	typedef std::function<void(
+		bool success, std::shared_ptr<DeviceAttachmentSpec> deviceSpec)>
+		removeDeviceAttachmentSpecReqCbFn;
+
 	void newDeviceAttachmentSpecInd(
-        const DeviceAttachmentSpec &spec,
-        Callback<newDeviceAttachmentSpecIndCbFn> callback);
+		const DeviceAttachmentSpec &spec,
+		Callback<newDeviceAttachmentSpecIndCbFn> callback);
+	void removeDeviceAttachmentSpecReq(
+		const DeviceAttachmentSpec &spec,
+		Callback<removeDeviceAttachmentSpecReqCbFn> callback);
 
 	// Device attachment/detachment methods moved from SenseApiManager
 	typedef sense_api::sal_mlo_attachDeviceReqCbFn attachSenseDeviceReqCbFn;
@@ -87,6 +93,7 @@ public:
 
 private:
 	class NewDeviceAttachmentSpecInd;
+	class RemoveDeviceAttachmentSpecReq;
 	class AttachSenseDeviceReq;
 	typedef AttachSenseDeviceReq DetachSenseDeviceReq;
 	class AttachAllSenseDevicesFromSpecsReq;