diff --git a/audio/2.0/default/service.cpp b/audio/2.0/default/service.cpp
index f3a858a..7f28d7d 100644
--- a/audio/2.0/default/service.cpp
+++ b/audio/2.0/default/service.cpp
@@ -50,7 +50,7 @@
     status = registerPassthroughServiceImplementation<IEffectsFactory>();
     LOG_ALWAYS_FATAL_IF(status != OK, "Error while registering audio effects service: %d", status);
     // Soundtrigger and FM radio might be not present.
-    status = registerPassthroughServiceImplementation<ISoundTriggerHw>("sound_trigger.primary");
+    status = registerPassthroughServiceImplementation<ISoundTriggerHw>();
     ALOGE_IF(status != OK, "Error while registering soundtrigger service: %d", status);
     if (useBroadcastRadioFutureFeatures) {
         status = registerPassthroughServiceImplementation<
diff --git a/soundtrigger/2.0/default/SoundTriggerHalImpl.cpp b/soundtrigger/2.0/default/SoundTriggerHalImpl.cpp
index b0aef4b..996519b 100644
--- a/soundtrigger/2.0/default/SoundTriggerHalImpl.cpp
+++ b/soundtrigger/2.0/default/SoundTriggerHalImpl.cpp
@@ -294,8 +294,8 @@
     return ret;
 }
 
-SoundTriggerHalImpl::SoundTriggerHalImpl(const char *moduleName)
-    : mModuleName(moduleName), mHwDevice(NULL), mNextModelId(1)
+SoundTriggerHalImpl::SoundTriggerHalImpl()
+    : mModuleName("primary"), mHwDevice(NULL), mNextModelId(1)
 {
 }
 
@@ -304,9 +304,6 @@
     const hw_module_t *mod;
     int rc;
 
-    if (mModuleName == NULL || strlen(mModuleName) == 0) {
-        mModuleName = "primary";
-    }
     rc = hw_get_module_by_class(SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, &mod);
     if (rc != 0) {
         ALOGE("couldn't load sound trigger module %s.%s (%s)",
@@ -570,20 +567,9 @@
     delete[] levels;
 }
 
-ISoundTriggerHw *HIDL_FETCH_ISoundTriggerHw(const char *name)
+ISoundTriggerHw *HIDL_FETCH_ISoundTriggerHw(const char* /* name */)
 {
-    if (name != NULL) {
-        if (strncmp(SOUND_TRIGGER_HARDWARE_MODULE_ID, name,
-                strlen(SOUND_TRIGGER_HARDWARE_MODULE_ID)) != 0) {
-            return NULL;
-        }
-        name = strchr(name, '.');
-        if (name == NULL) {
-            return NULL;
-        }
-        name++;
-    }
-    return new SoundTriggerHalImpl(name);
+    return new SoundTriggerHalImpl();
 }
 } // namespace implementation
 }  // namespace V2_0
diff --git a/soundtrigger/2.0/default/SoundTriggerHalImpl.h b/soundtrigger/2.0/default/SoundTriggerHalImpl.h
index 8aa9285..4769590 100644
--- a/soundtrigger/2.0/default/SoundTriggerHalImpl.h
+++ b/soundtrigger/2.0/default/SoundTriggerHalImpl.h
@@ -38,7 +38,7 @@
 
 class SoundTriggerHalImpl : public ISoundTriggerHw {
 public:
-        explicit SoundTriggerHalImpl(const char *moduleName = NULL);
+        SoundTriggerHalImpl();
 
         // Methods from ::android::hardware::soundtrigger::V2_0::ISoundTriggerHw follow.
         Return<void> getProperties(getProperties_cb _hidl_cb)  override;