diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3315682..53864f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(CMAKE_CXX_STANDARD 17)
 
 # Initialise pico_sdk from installed location
 # (note this can come from environment, CMake cache etc)
-#set(PICO_SDK_PATH "/home/brodbemn/pico/pico-sdk")
+#set(PICO_SDK_PATH "/home/myuser/pico/pico-sdk")
 
 set(PICO_BOARD pico CACHE STRING "Board type")
 
@@ -23,18 +23,19 @@ project(raspi_keyer C CXX ASM)
 # Initialise the Raspberry Pi Pico SDK
 pico_sdk_init()
 
-# Add executable. Default name is the project name, version 0.1
-
+# Add executable. Default name is the project name
 add_executable(raspi_keyer)
 
 add_subdirectory(src)
 
 pico_set_program_name(raspi_keyer "raspi_keyer")
-pico_set_program_version(raspi_keyer "0.1")
+pico_set_program_version(raspi_keyer "0.0.1")
 
 pico_enable_stdio_uart(raspi_keyer 1)
 pico_enable_stdio_usb(raspi_keyer 0)
 
+target_compile_options(raspi_keyer PRIVATE -Wall -Wextra -Werror)
+
 # Add the standard library to the build
 target_link_libraries(raspi_keyer
   pico_stdlib)
diff --git a/src/settings.cpp b/src/settings.cpp
index 2f5c147..26392cd 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -13,7 +13,7 @@ namespace
 
 void flash_store_callback(void *settings)
 {
-    int writeSize = (sizeof(struct Settings) / FLASH_PAGE_SIZE) + 1;
+    //int writeSize = (sizeof(struct Settings) / FLASH_PAGE_SIZE) + 1;
 
     flash_range_erase(FLASH_TARGET_OFFSET, FLASH_SECTOR_SIZE);
     flash_range_program(FLASH_TARGET_OFFSET, (uint8_t *)settings, FLASH_PAGE_SIZE);