diff --git a/main.cpp b/main.cpp
index 0a61df6..1279c46 100644
--- a/main.cpp
+++ b/main.cpp
@@ -110,7 +110,9 @@ int main(int argc, char **argv)
         .registerFilter(user_filter)
         .registerFilter(admin_filter)
         .registerController(API)
+#if MULTI_THREADED
         .setThreadNum(get_nprocs())
+#endif
         .run();
 
     return 0;
diff --git a/src/bank.cpp b/src/bank.cpp
index e116393..9a7ee10 100644
--- a/src/bank.cpp
+++ b/src/bank.cpp
@@ -66,9 +66,7 @@ BankResponse Bank::SendFunds(const std::string &a_name, const std::string &b_nam
     }
 
     BankResponse state;
-#if MULTI_THREADED
     std::shared_lock<std::shared_mutex> lock{send_funds_l}; //about 10% of this function's cost
-#endif
 #if MAX_LOG_SIZE > 0
     Transaction temp(a_name, b_name, amount);
     if (!users.modify_if(a_name, [&temp, &state, amount](User &a) {
@@ -164,9 +162,7 @@ BankResponse Bank::AddUser(std::string &&name, std::string &&init_pass) noexcept
     {
         return {k400BadRequest, "Invalid Name, breaks size and/or character restrictions"};
     }
-#if MULTI_THREADED
     std::shared_lock<std::shared_mutex> lock{size_l};
-#endif
     return (users.try_emplace_l(
                std::move(name), [](User &) {}, std::move(init_pass)))
                ? BankResponse(k200OK, "User added!")
@@ -178,9 +174,7 @@ BankResponse Bank::AdminAddUser(std::string &&name, uint32_t init_bal, std::stri
     {
         return {k400BadRequest, "Invalid Name, breaks size and/or character restrictions"};
     }
-#if MULTI_THREADED
     std::shared_lock<std::shared_mutex> lock{size_l};
-#endif
     return (users.try_emplace_l(
                std::move(name), [](User &) {}, init_bal, std::move(init_pass)))
                ? BankResponse(k200OK, "User added!")
@@ -188,9 +182,7 @@ BankResponse Bank::AdminAddUser(std::string &&name, uint32_t init_bal, std::stri
 }
 BankResponse Bank::DelUser(const std::string &name) noexcept
 {
-#if MULTI_THREADED
     std::shared_lock<std::shared_mutex> lock{size_l};
-#endif
 #if RETURN_ON_DEL
     uint32_t bal;
     if (users.erase_if(name, [this, &bal, &name](User &u) {
@@ -218,9 +210,7 @@ void Bank::Save()
 
         //loading info into json temp
         {
-#if MULTI_THREADED
             std::scoped_lock<std::shared_mutex, std::shared_mutex> lock{size_l, send_funds_l};
-#endif
             for (const auto &u : users)
             {
                 //we know it contains this key but we call this func to grab mutex