diff --git a/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Machine_Learning/system_setup.cc b/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Machine_Learning/system_setup.cc
index b4fe0b1..0ff68ac 100644
--- a/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Machine_Learning/system_setup.cc
+++ b/Platform_FVP_Corstone_SSE-300_Ethos-U55/RTE/Machine_Learning/system_setup.cc
@@ -22,7 +22,7 @@ extern "C" void stdio_init (void);
 namespace tflite {
 
 void debug_log_printf(const char* s) {
-  printf(s);
+  printf("%s", s);
 }
 
 // To add an equivalent function for your own platform, create your own
diff --git a/Platform_IMXRT1050-EVKB/RTE/Machine_Learning/system_setup.cc b/Platform_IMXRT1050-EVKB/RTE/Machine_Learning/system_setup.cc
index ac5b197..c28d65c 100644
--- a/Platform_IMXRT1050-EVKB/RTE/Machine_Learning/system_setup.cc
+++ b/Platform_IMXRT1050-EVKB/RTE/Machine_Learning/system_setup.cc
@@ -20,7 +20,7 @@ limitations under the License.
 namespace tflite {
 
 void debug_log_printf(const char* s) {
-  printf(s);
+  printf("%s",s);
 }
 
 // To add an equivalent function for your own platform, create your own
diff --git a/Platform_MIMXRT1064-EVK/RTE/Machine_Learning/system_setup.cc b/Platform_MIMXRT1064-EVK/RTE/Machine_Learning/system_setup.cc
index ac5b197..dbdda17 100644
--- a/Platform_MIMXRT1064-EVK/RTE/Machine_Learning/system_setup.cc
+++ b/Platform_MIMXRT1064-EVK/RTE/Machine_Learning/system_setup.cc
@@ -20,7 +20,7 @@ limitations under the License.
 namespace tflite {
 
 void debug_log_printf(const char* s) {
-  printf(s);
+  printf("%s", s);
 }
 
 // To add an equivalent function for your own platform, create your own
diff --git a/micro_speech/src/microfrontend/lib/window.c b/micro_speech/src/microfrontend/lib/window.c
index 7343637..072b99b 100644
--- a/micro_speech/src/microfrontend/lib/window.c
+++ b/micro_speech/src/microfrontend/lib/window.c
@@ -85,7 +85,6 @@ int WindowProcessSamples(struct WindowState* state, const int16_t* samples,
   int i;
   int16_t max_abs_output_value = 0;
 #ifndef __ARM_FEATURE_MVE
-  int i;
 
   for (i = 0; i < size; ++i) {
     int16_t new_value =