diff --git a/src/covid.c b/src/covid.c
index 06e92ad..fe771bd 100644
--- a/src/covid.c
+++ b/src/covid.c
@@ -111,14 +111,14 @@ static void test_against_fixtures(void)
 	// First define base values
 	ENIntervalNumber intervalNumber = 2642976;
 	ENPeriodKey periodKey = {.b = {0x75, 0xc7, 0x34, 0xc6, 0xdd, 0x1a, 0x78, 0x2d, 0xe7, 0xa9, 0x65, 0xda, 0x5e, 0xb9, 0x31, 0x25}};
-	unsigned char metadata[4] = {0x40, 0x08, 0x00, 0x00};
+	// unsigned char metadata[4] = {0x40, 0x08, 0x00, 0x00};
 
 	// define the expected values
 	ENPeriodIdentifierKey expectedPIK = {.b = {0x18, 0x5a, 0xd9, 0x1d, 0xb6, 0x9e, 0xc7, 0xdd, 0x04, 0x89, 0x60, 0xf1, 0xf3, 0xba, 0x61, 0x75}};
-	ENPeriodMetadataEncryptionKey expectedPMEK = {.b = {0xd5, 0x7c, 0x46, 0xaf, 0x7a, 0x1d, 0x83, 0x96, 0x5b, 0x9b, 0xed, 0x8b, 0xd1, 0x52, 0x93, 0x6a}};
+	// ENPeriodMetadataEncryptionKey expectedPMEK = {.b = {0xd5, 0x7c, 0x46, 0xaf, 0x7a, 0x1d, 0x83, 0x96, 0x5b, 0x9b, 0xed, 0x8b, 0xd1, 0x52, 0x93, 0x6a}};
 
 	ENIntervalIdentifier expectedIntervalIdentifier = {.b = {0x8b, 0xe6, 0xcd, 0x37, 0x1c, 0x5c, 0x89, 0x16, 0x04, 0xbf, 0xbe, 0x49, 0xdf, 0x84, 0x50, 0x96}};
-	unsigned char expectedEncryptedMetadata[4] = {0x72, 0x03, 0x38, 0x74};
+	// unsigned char expectedEncryptedMetadata[4] = {0x72, 0x03, 0x38, 0x74};
 
 	ENPeriodIdentifierKey pik;
 	en_derive_period_identifier_key(&pik, &periodKey);
diff --git a/src/ens/ens_fs.c b/src/ens/ens_fs.c
index f4bcfbe..08f79b4 100644
--- a/src/ens/ens_fs.c
+++ b/src/ens/ens_fs.c
@@ -27,7 +27,7 @@ int ens_fs_init(ens_fs_t* fs, uint8_t id, uint64_t entry_size) {
     struct flash_pages_info info;
     if (flash_get_page_info_by_offs(dev, fs->area->fa_off, &info)) {
         // on error, close the flash area
-        flash_area_close(&fs->area);
+        flash_area_close(fs->area);
         return -ENS_INTERR;
     }
     fs->sector_size = info.size;