diff --git a/source/use_case/kws_asr/include/Wav2LetterPostprocess.hpp b/source/use_case/kws_asr/include/Wav2LetterPostprocess.hpp
index 5c11412..029a641 100644
--- a/source/use_case/kws_asr/include/Wav2LetterPostprocess.hpp
+++ b/source/use_case/kws_asr/include/Wav2LetterPostprocess.hpp
@@ -18,7 +18,6 @@
 #define KWS_ASR_WAV2LET_POSTPROC_HPP
 
 #include "TensorFlowLiteMicro.hpp" /* TensorFlow headers */
-#include "hal.h"    /* stdout facility */
 
 namespace arm {
 namespace app {
diff --git a/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp b/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp
index 66d19d3..3609c49 100644
--- a/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp
+++ b/source/use_case/kws_asr/include/Wav2LetterPreprocess.hpp
@@ -21,6 +21,7 @@
 #include "Wav2LetterMfcc.hpp"
 #include "AudioUtils.hpp"
 #include "DataStructures.hpp"
+#include "log_macros.h"
 
 namespace arm {
 namespace app {
diff --git a/source/use_case/kws_asr/src/AsrClassifier.cc b/source/use_case/kws_asr/src/AsrClassifier.cc
index 3f9cd7b..9c18b14 100644
--- a/source/use_case/kws_asr/src/AsrClassifier.cc
+++ b/source/use_case/kws_asr/src/AsrClassifier.cc
@@ -16,7 +16,7 @@
  */
 #include "AsrClassifier.hpp"
 
-#include "hal.h"
+#include "log_macros.h"
 #include "TensorFlowLiteMicro.hpp"
 #include "Wav2LetterModel.hpp"
 
diff --git a/source/use_case/kws_asr/src/MainLoop.cc b/source/use_case/kws_asr/src/MainLoop.cc
index c7e977f..a2beab3 100644
--- a/source/use_case/kws_asr/src/MainLoop.cc
+++ b/source/use_case/kws_asr/src/MainLoop.cc
@@ -26,6 +26,7 @@
 #include "UseCaseHandler.hpp"       /* Handlers for different user options. */
 #include "Wav2LetterPreprocess.hpp" /* ASR pre-processing class. */
 #include "Wav2LetterPostprocess.hpp"/* ASR post-processing class. */
+#include "log_macros.h"
 
 using KwsClassifier = arm::app::Classifier;
 
diff --git a/source/use_case/kws_asr/src/MicroNetKwsModel.cc b/source/use_case/kws_asr/src/MicroNetKwsModel.cc
index 4b44580..663faa0 100644
--- a/source/use_case/kws_asr/src/MicroNetKwsModel.cc
+++ b/source/use_case/kws_asr/src/MicroNetKwsModel.cc
@@ -15,8 +15,7 @@
  * limitations under the License.
  */
 #include "MicroNetKwsModel.hpp"
-
-#include "hal.h"
+#include "log_macros.h"
 
 namespace arm {
 namespace app {
diff --git a/source/use_case/kws_asr/src/UseCaseHandler.cc b/source/use_case/kws_asr/src/UseCaseHandler.cc
index a3ebdb1..bfc1d25 100644
--- a/source/use_case/kws_asr/src/UseCaseHandler.cc
+++ b/source/use_case/kws_asr/src/UseCaseHandler.cc
@@ -30,6 +30,7 @@
 #include "AsrResult.hpp"
 #include "AsrClassifier.hpp"
 #include "OutputDecode.hpp"
+#include "log_macros.h"
 
 
 using KwsClassifier = arm::app::Classifier;
diff --git a/source/use_case/kws_asr/src/Wav2LetterMfcc.cc b/source/use_case/kws_asr/src/Wav2LetterMfcc.cc
index ae9e57a..f2c50f3 100644
--- a/source/use_case/kws_asr/src/Wav2LetterMfcc.cc
+++ b/source/use_case/kws_asr/src/Wav2LetterMfcc.cc
@@ -17,6 +17,7 @@
 #include "Wav2LetterMfcc.hpp"
 
 #include "PlatformMath.hpp"
+#include "log_macros.h"
 
 #include <cfloat>
 
diff --git a/source/use_case/kws_asr/src/Wav2LetterModel.cc b/source/use_case/kws_asr/src/Wav2LetterModel.cc
index affa1a6..52bd23a 100644
--- a/source/use_case/kws_asr/src/Wav2LetterModel.cc
+++ b/source/use_case/kws_asr/src/Wav2LetterModel.cc
@@ -15,8 +15,7 @@
  * limitations under the License.
  */
 #include "Wav2LetterModel.hpp"
-
-#include "hal.h"
+#include "log_macros.h"
 
 namespace arm {
 namespace app {
diff --git a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
index f2d9357..2a76b1b 100644
--- a/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
+++ b/source/use_case/kws_asr/src/Wav2LetterPostprocess.cc
@@ -15,8 +15,8 @@
  * limitations under the License.
  */
 #include "Wav2LetterPostprocess.hpp"
-
 #include "Wav2LetterModel.hpp"
+#include "log_macros.h"
 
 namespace arm {
 namespace app {