diff --git a/meson.build b/meson.build
index 7cb1e69..aa68922 100644
--- a/meson.build
+++ b/meson.build
@@ -3,7 +3,9 @@
      'c',
      'cpp',
      default_options: [
-     'cpp_std=c++17'
+       'warning_level=3',
+       'werror=true',
+       'cpp_std=c++17'
      ],
      version: '1.0'
 )
diff --git a/vpd-manager/manager.cpp b/vpd-manager/manager.cpp
index 9eeb6e2..606d3b5 100644
--- a/vpd-manager/manager.cpp
+++ b/vpd-manager/manager.cpp
@@ -19,7 +19,7 @@
 namespace manager
 {
 Manager::Manager(sdbusplus::bus::bus&& bus, const char* busName,
-                 const char* objPath, const char* iFace) :
+                 const char* objPath, const char* /*iFace*/) :
     ServerObject<ManagerIface>(bus, objPath),
     _bus(std::move(bus)), _manager(_bus, objPath)
 {
diff --git a/vpd-manager/manager_main.cpp b/vpd-manager/manager_main.cpp
index 459c9f4..fce02b4 100644
--- a/vpd-manager/manager_main.cpp
+++ b/vpd-manager/manager_main.cpp
@@ -7,7 +7,7 @@
 #include <iostream>
 #include <sdbusplus/bus.hpp>
 
-int main(int argc, char* argv[])
+int main(int /*argc*/, char** /*argv*/)
 {
     try
     {
diff --git a/vpd_tool_impl.cpp b/vpd_tool_impl.cpp
index c24eb93..1ee7b2b 100644
--- a/vpd_tool_impl.cpp
+++ b/vpd_tool_impl.cpp
@@ -172,7 +172,6 @@
         throw runtime_error("Extra Interfaces not found");
     }
 
-    bool exIntfCheck = false;
     json output = json::object({});
     fruType = "FRU";
 
@@ -195,7 +194,6 @@
         {
             if (!(ex.value().is_null()))
             {
-                exIntfCheck = true;
                 getExtraInterfaceProperties(itemEEPROM.at("inventoryPath"),
                                             ex.key(), ex.value(),
                                             itemEEPROM["extraInterfaces"], js);
diff --git a/vpdecc/vpdecc.h b/vpdecc/vpdecc.h
index 6e7605f..6d4175d 100644
--- a/vpdecc/vpdecc.h
+++ b/vpdecc/vpdecc.h
@@ -17,6 +17,9 @@
 #ifndef _VPDECC_H_
 #define _VPDECC_H_
 
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+
 #include <stdlib.h>
 
 #define VPD_ECC_OK 0