diff --git a/firmware/controllers/algo/lcd_menu_tree.cpp b/firmware/controllers/algo/lcd_menu_tree.cpp
index 02cfedafc2..332f346d43 100644
--- a/firmware/controllers/algo/lcd_menu_tree.cpp
+++ b/firmware/controllers/algo/lcd_menu_tree.cpp
@@ -47,16 +47,19 @@ void MenuTree::nextItem(void) {
 		topVisible = topVisible->next;
 }
 
-MenuItem::MenuItem(MenuItem * parent, const char *text, VoidCallback callback) : MenuItem(parent, LL_STRING, text, callback) {
+MenuItem::MenuItem(MenuItem * parent, const char *text, VoidCallback callback) {
+	baseConstructor(parent, LL_STRING, text, callback);
 }
 
-MenuItem::MenuItem(MenuItem * parent, const char *text) : MenuItem(parent, LL_STRING, text, NULL) {
+MenuItem::MenuItem(MenuItem * parent, const char *text) {
+	baseConstructor(parent, LL_STRING, text, NULL);
 }
 
-MenuItem::MenuItem(MenuItem * parent, lcd_line_e lcdLine) : MenuItem(parent, lcdLine, NULL, NULL) {
+MenuItem::MenuItem(MenuItem * parent, lcd_line_e lcdLine)  {
+	baseConstructor(parent, lcdLine, NULL, NULL);
 }
 
-MenuItem::MenuItem(MenuItem * parent, lcd_line_e lcdLine, const char *text, VoidCallback callback) {
+void MenuItem::baseConstructor(MenuItem * parent, lcd_line_e lcdLine, const char *text, VoidCallback callback) {
 	this->parent = parent;
 	this->lcdLine = lcdLine;
 	this->text = text;
diff --git a/firmware/controllers/algo/lcd_menu_tree.h b/firmware/controllers/algo/lcd_menu_tree.h
index 4b782dd07a..1fad800999 100644
--- a/firmware/controllers/algo/lcd_menu_tree.h
+++ b/firmware/controllers/algo/lcd_menu_tree.h
@@ -42,7 +42,7 @@ typedef void (*VoidCallback)(void);
 
 class MenuItem {
 public:
-	MenuItem(MenuItem * parent, lcd_line_e lcdLine, const char *text, VoidCallback callback);
+	void baseConstructor(MenuItem * parent, lcd_line_e lcdLine, const char *text, VoidCallback callback);
 	MenuItem(MenuItem * parent, const char *text, VoidCallback callback);
 	MenuItem(MenuItem * parent, const char *text);
 	MenuItem(MenuItem * parent, lcd_line_e lcdLine);
diff --git a/firmware/controllers/core/EfiWave.cpp b/firmware/controllers/core/EfiWave.cpp
index c8eced492b..412d588f81 100644
--- a/firmware/controllers/core/EfiWave.cpp
+++ b/firmware/controllers/core/EfiWave.cpp
@@ -21,13 +21,18 @@ void single_wave_s::init(pin_state_t *pinStates) {
 	this->pinStates = pinStates;
 }
 
-multi_wave_s::multi_wave_s() {
+void multi_wave_s::baseConstructor() {
 	waves = NULL;
 	switchTimes = NULL;
 	reset();
 }
 
-multi_wave_s::multi_wave_s(float *switchTimes, single_wave_s *waves) : multi_wave_s() {
+multi_wave_s::multi_wave_s() {
+	baseConstructor();
+}
+
+multi_wave_s::multi_wave_s(float *switchTimes, single_wave_s *waves) {
+	baseConstructor();
 	init(switchTimes, waves);
 }
 
diff --git a/firmware/controllers/core/EfiWave.h b/firmware/controllers/core/EfiWave.h
index 82464c7be1..6b41592e38 100644
--- a/firmware/controllers/core/EfiWave.h
+++ b/firmware/controllers/core/EfiWave.h
@@ -39,6 +39,7 @@ class TriggerShape;
 
 class multi_wave_s {
 public:
+	void baseConstructor();
 	multi_wave_s();
 	multi_wave_s(float *st, single_wave_s *waves);
 	void init(float *st, single_wave_s *waves);
diff --git a/firmware/controllers/system/pwm_generator_logic.cpp b/firmware/controllers/system/pwm_generator_logic.cpp
index 5da1e9644f..b45e67bd05 100644
--- a/firmware/controllers/system/pwm_generator_logic.cpp
+++ b/firmware/controllers/system/pwm_generator_logic.cpp
@@ -22,8 +22,7 @@ SimplePwm::SimplePwm() {
 	sr[0] = waveInstance;
 	init(_switchTimes, sr);
 }
-
-PwmConfig::PwmConfig() {
+void PwmConfig::baseConstructor() {
 	memset(&scheduling, 0, sizeof(scheduling));
 	memset(&safe, 0, sizeof(safe));
 	scheduling.name = "PwmConfig";
@@ -34,7 +33,12 @@ PwmConfig::PwmConfig() {
 	stateChangeCallback = NULL;
 }
 
-PwmConfig::PwmConfig(float *st, single_wave_s *waves) : PwmConfig() {
+PwmConfig::PwmConfig() {
+	baseConstructor();
+}
+
+PwmConfig::PwmConfig(float *st, single_wave_s *waves) {
+	baseConstructor();
 	multiWave.init(st, waves);
 }
 
diff --git a/firmware/controllers/system/pwm_generator_logic.h b/firmware/controllers/system/pwm_generator_logic.h
index dd1c4c870e..1ee6d927de 100644
--- a/firmware/controllers/system/pwm_generator_logic.h
+++ b/firmware/controllers/system/pwm_generator_logic.h
@@ -43,6 +43,7 @@ class PwmConfig {
 public:
 	PwmConfig();
 	PwmConfig(float *switchTimes, single_wave_s *waves);
+	void baseConstructor();
 	void init(float *switchTimes, single_wave_s *waves);
 
 	void weComplexInit(const char *msg,
diff --git a/firmware/hw_layer/adc_inputs.cpp b/firmware/hw_layer/adc_inputs.cpp
index 3486c7c7ec..4262c03dc7 100644
--- a/firmware/hw_layer/adc_inputs.cpp
+++ b/firmware/hw_layer/adc_inputs.cpp
@@ -28,6 +28,7 @@ AdcDevice::AdcDevice(ADCConversionGroup* hwConfig) {
 	hwConfig->sqr1 = 0;
 	hwConfig->sqr2 = 0;
 	hwConfig->sqr3 = 0;
+	memset(hardwareIndexByIndernalAdcIndex, 0, sizeof(hardwareIndexByIndernalAdcIndex));
 	memset(internalAdcIndexByHardwareIndex, 0xFFFFFFFF, sizeof(internalAdcIndexByHardwareIndex));
 }
 
diff --git a/firmware/util/datalogging.cpp b/firmware/util/datalogging.cpp
index 63311ecded..274cf69a93 100644
--- a/firmware/util/datalogging.cpp
+++ b/firmware/util/datalogging.cpp
@@ -386,7 +386,7 @@ void initIntermediateLoggingBuffer(void) {
 
 #endif /* ! EFI_UNIT_TEST */
 
-Logging::Logging() {
+void Logging::baseConstructor() {
 	name = NULL;
 	buffer = NULL;
 	linePointer = NULL;
@@ -394,7 +394,12 @@ Logging::Logging() {
 	isInitialized = false;
 }
 
-Logging::Logging(char const *name, char *buffer, int bufferSize) : Logging() {
+Logging::Logging() {
+	baseConstructor();
+}
+
+Logging::Logging(char const *name, char *buffer, int bufferSize) {
+	baseConstructor();
 #if ! EFI_UNIT_TEST
 	initLoggingExt(this, "settings control", buffer, bufferSize);
 #endif /* ! EFI_UNIT_TEST */
diff --git a/firmware/util/datalogging.h b/firmware/util/datalogging.h
index ab6716a823..7cb83dac58 100644
--- a/firmware/util/datalogging.h
+++ b/firmware/util/datalogging.h
@@ -18,6 +18,7 @@
 // size of buffers?
 class Logging {
 public:
+	void baseConstructor();
 	Logging();
 	Logging(const char *name, char *buffer, int bufferSize);
 	const char *name;
diff --git a/firmware/util/listener_array.cpp b/firmware/util/listener_array.cpp
index 6011c6dd1a..7867270a93 100644
--- a/firmware/util/listener_array.cpp
+++ b/firmware/util/listener_array.cpp
@@ -11,6 +11,7 @@
 IntListenerArray::IntListenerArray() {
 	currentListenersCount = 0;
 	memset(&args, 0, sizeof(args));
+	memset(&callbacks, 0, sizeof(callbacks));
 }
 
 void IntListenerArray::registerCallback(VoidInt handler, void *arg) {