diff --git a/src/basic/hexdecoct.c b/src/basic/hexdecoct.c
index c474b60776..79e4959be7 100644
--- a/src/basic/hexdecoct.c
+++ b/src/basic/hexdecoct.c
@@ -36,7 +36,7 @@ int undecchar(char c) {
 }
 
 char hexchar(int x) {
-        static const char table[16] = "0123456789abcdef";
+        static const char table[] = "0123456789abcdef";
 
         return table[x & 15];
 }
@@ -168,8 +168,8 @@ int unhexmem_full(
  * useful when representing NSEC3 hashes, as one can then verify the
  * order of hashes directly from their representation. */
 char base32hexchar(int x) {
-        static const char table[32] = "0123456789"
-                                      "ABCDEFGHIJKLMNOPQRSTUV";
+        static const char table[] = "0123456789"
+                                    "ABCDEFGHIJKLMNOPQRSTUV";
 
         return table[x & 31];
 }
@@ -519,9 +519,9 @@ int unbase32hexmem(const char *p, size_t l, bool padding, void **mem, size_t *_l
 
 /* https://tools.ietf.org/html/rfc4648#section-4 */
 char base64char(int x) {
-        static const char table[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                                      "abcdefghijklmnopqrstuvwxyz"
-                                      "0123456789+/";
+        static const char table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                    "abcdefghijklmnopqrstuvwxyz"
+                                    "0123456789+/";
         return table[x & 63];
 }
 
@@ -529,9 +529,9 @@ char base64char(int x) {
  * since we don't want "/" appear in interface names (since interfaces appear in sysfs as filenames).
  * See section #5 of RFC 4648. */
 char urlsafe_base64char(int x) {
-        static const char table[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                                      "abcdefghijklmnopqrstuvwxyz"
-                                      "0123456789-_";
+        static const char table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                    "abcdefghijklmnopqrstuvwxyz"
+                                    "0123456789-_";
         return table[x & 63];
 }
 
diff --git a/src/boot/efi/efi-string.c b/src/boot/efi/efi-string.c
index 63481461a5..87beb85286 100644
--- a/src/boot/efi/efi-string.c
+++ b/src/boot/efi/efi-string.c
@@ -481,7 +481,7 @@ char* line_get_key_value(char *s, const char *sep, size_t *pos, char **ret_key,
 }
 
 char16_t *hexdump(const void *data, size_t size) {
-        static const char hex[16] = "0123456789abcdef";
+        static const char hex[] = "0123456789abcdef";
         const uint8_t *d = data;
 
         assert(data || size == 0);