diff --git a/esp8266_deauther/Accesspoints.cpp b/esp8266_deauther/Accesspoints.cpp
index f28096d..fe5fe5b 100644
--- a/esp8266_deauther/Accesspoints.cpp
+++ b/esp8266_deauther/Accesspoints.cpp
@@ -41,7 +41,8 @@ void Accesspoints::printSelected() {
     return;
   }
   int c = count();
-  for (int i = 0, j = 0; i < c, j < max; i++) {
+  int j = 0;
+  for (int i = 0; i < c && j < max; i++) {
     if (getSelected(i)) {
       print(i, j == 0, j == max - 1);
       j++;
diff --git a/esp8266_deauther/SerialInterface.cpp b/esp8266_deauther/SerialInterface.cpp
index 163cc2a..dbb36a5 100644
--- a/esp8266_deauther/SerialInterface.cpp
+++ b/esp8266_deauther/SerialInterface.cpp
@@ -337,8 +337,8 @@ void SerialInterface::runCommand(String input) {
   // deselect [<type>] [<id>]
   else if (eqlsCMD(0, CLI_SELECT) || eqlsCMD(0, CLI_DESELECT)) {
     bool select = eqlsCMD(0, CLI_SELECT);
-    int mode; // aps = 0, stations = 1, names = 2
-    int id; // -1 = all, -2 name string
+    int mode = 0; // aps = 0, stations = 1, names = 2
+    int id = -1; // -1 = all, -2 name string
 
     if (list->size() == 1 || eqlsCMD(1, CLI_ALL)) {
       select ? scan.selectAll() : scan.deselectAll();
@@ -998,8 +998,8 @@ void SerialInterface::runCommand(String input) {
     
     for (int i = height; i >= 0; i--) {
       char s[200];
-      if (i == height) sprintf(s,str(CLI_DRAW_OUTPUT).c_str(), scan.getMaxPacket() > height ? scan.getMaxPacket() : height);
-      else if (i == height / 2) sprintf(s,str(CLI_DRAW_OUTPUT).c_str(), scan.getMaxPacket() > height ? scan.getMaxPacket()/2 : height/2);
+      if (i == height) sprintf(s,str(CLI_DRAW_OUTPUT).c_str(), scan.getMaxPacket() > (uint32_t)height ? scan.getMaxPacket() : (uint32_t)height);
+      else if (i == height / 2) sprintf(s,str(CLI_DRAW_OUTPUT).c_str(), scan.getMaxPacket() > (uint32_t)height ? scan.getMaxPacket()/2 : (uint32_t)height/2);
       else if (i == 0) sprintf(s,str(CLI_DRAW_OUTPUT).c_str(), 0);
       else{
         s[0] = SPACE;
diff --git a/esp8266_deauther/SimpleList.h b/esp8266_deauther/SimpleList.h
index 161bdac..99d2203 100644
--- a/esp8266_deauther/SimpleList.h
+++ b/esp8266_deauther/SimpleList.h
@@ -358,8 +358,6 @@ void SimpleList<T>::sort(bool (*cmp)(T &a, T &b)) {
   
   Node<T>* nodeA;
   Node<T>* nodeB;
-  Node<T>* nodeC;
-  Node<T>* nodeD;
   
   int c = listSize;
   
diff --git a/esp8266_deauther/Stations.cpp b/esp8266_deauther/Stations.cpp
index 5f4ccb8..665846f 100644
--- a/esp8266_deauther/Stations.cpp
+++ b/esp8266_deauther/Stations.cpp
@@ -18,7 +18,6 @@ void Stations::add(uint8_t* mac, int accesspointNum) {
 }
 
 int Stations::findStation(uint8_t* mac) {
-  uint8_t* station_i_mac;
   int c = count();
   for (int i = 0; i < c; i++) {
     if (memcmp(getMac(i), mac, 6) == 0)