diff --git a/src/system/flash.c b/src/system/flash.c
--- a/src/system/flash.c
+++ b/src/system/flash.c
@@ -6,11 +6,12 @@
 #include "flash.h"
 #include "config.h"
 
-// Takes up 1 page (1k size)
-static __attribute__((__section__(".eeprom"))) uint16_t eeprom_emulation[512];
 
-therm_settings_t settings;
-therm_status_t status;
+// Private variables
+static __attribute__((__section__(".eeprom"))) uint16_t eeprom_emulation[512]; // Takes up 1 page (1k size)
+static therm_settings_t settings;
+static therm_status_t status;
+
 
 // Initialize flash and restore settings
 void flash_init(void)