diff --git a/audio/2.0/default/Android.mk b/audio/2.0/default/Android.mk
index 621853c..70fa750 100644
--- a/audio/2.0/default/Android.mk
+++ b/audio/2.0/default/Android.mk
@@ -30,6 +30,8 @@
     StreamIn.cpp \
     StreamOut.cpp \
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_SHARED_LIBRARIES := \
     libbase \
     libcutils \
@@ -65,6 +67,8 @@
 LOCAL_SRC_FILES := \
     service.cpp
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_SHARED_LIBRARIES := \
     libhidlbase \
     libhidltransport \
diff --git a/audio/2.0/default/StreamIn.cpp b/audio/2.0/default/StreamIn.cpp
index b81cbb9..575a4f4 100644
--- a/audio/2.0/default/StreamIn.cpp
+++ b/audio/2.0/default/StreamIn.cpp
@@ -87,7 +87,6 @@
     }
     ssize_t readResult = mStream->read(mStream, &mBuffer[0], requestedToRead);
     mStatus.retval = Result::OK;
-    uint64_t read = 0;
     if (readResult >= 0) {
         mStatus.reply.read = readResult;
         if (!mDataMQ->write(&mBuffer[0], readResult)) {
@@ -326,7 +325,7 @@
     ThreadInfo threadInfo = {0, 0};
 
     // Wrap the _hidl_cb to return an error
-    auto sendError = [this, &threadInfo, &_hidl_cb](Result result) {
+    auto sendError = [&threadInfo, &_hidl_cb](Result result) {
         _hidl_cb(result, CommandMQ::Descriptor(), DataMQ::Descriptor(),
                  StatusMQ::Descriptor(), threadInfo);
 
diff --git a/audio/2.0/default/StreamOut.cpp b/audio/2.0/default/StreamOut.cpp
index 290d0b1..242e8fc 100644
--- a/audio/2.0/default/StreamOut.cpp
+++ b/audio/2.0/default/StreamOut.cpp
@@ -302,7 +302,7 @@
     ThreadInfo threadInfo = {0, 0};
 
     // Wrap the _hidl_cb to return an error
-    auto sendError = [this, &threadInfo, &_hidl_cb](Result result) {
+    auto sendError = [&threadInfo, &_hidl_cb](Result result) {
         _hidl_cb(result, CommandMQ::Descriptor(), DataMQ::Descriptor(),
                  StatusMQ::Descriptor(), threadInfo);