diff --git a/apps/code/variable_box_controller.cpp b/apps/code/variable_box_controller.cpp
index 9b8b60e11..128cccdbd 100644
--- a/apps/code/variable_box_controller.cpp
+++ b/apps/code/variable_box_controller.cpp
@@ -57,7 +57,7 @@ void VariableBoxController::ContentViewController::didEnterResponderChain(Respon
 }
 
 static bool shouldAddObject(const char * name, int maxLength) {
-  if (strlen(name)+1 > maxLength) {
+  if (strlen(name)+1 > (size_t)maxLength) {
     return false;
   }
   assert(name != nullptr);
diff --git a/apps/shared/storage_function.cpp b/apps/shared/storage_function.cpp
index 57b835642..c4e61318b 100644
--- a/apps/shared/storage_function.cpp
+++ b/apps/shared/storage_function.cpp
@@ -27,7 +27,7 @@ void StorageFunction::setActive(bool active) {
 
 int StorageFunction::nameWithArgument(char * buffer, size_t bufferSize, char arg) {
   const char * functionName = fullName();
-  int index = 0;
+  size_t index = 0;
   const char ofXSring[4] = {'(',arg,')', 0};
   size_t ofXSringLength = strlen(ofXSring);
   while (*functionName != Ion::Storage::k_dotChar
diff --git a/apps/shared/store_controller.cpp b/apps/shared/store_controller.cpp
index 19ee1bb4d..1317572dc 100644
--- a/apps/shared/store_controller.cpp
+++ b/apps/shared/store_controller.cpp
@@ -269,6 +269,7 @@ bool StoreController::privateFillColumnWithFormula(Expression formula, Expressio
   variables[0][0] = 0;
   AppsContainer * appsContainer = ((TextFieldDelegateApp *)app())->container();
   int nbOfVariables = formula.getVariables(*(appsContainer->globalContext()), isVariable, (char *)variables, k_maxSizeOfStoreSymbols);
+  (void) nbOfVariables; // Remove compilation warning of nused variable
   assert(nbOfVariables >= 0);
   int numberOfValuesToCompute = -1;
   int index = 0;