diff --git a/src/common/compat.c b/src/common/compat.c
index a9ce76704..f903d1ffb 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -384,21 +384,21 @@ tor_memmem(const void *_haystack, size_t hlen,
  * has 256 bits to look up whether a character is in some set or not.  This
  * fails on non-ASCII platforms, but it is hard to find a platform whose
  * character set is not a superset of ASCII nowadays. */
-const uint32_t const TOR_ISALPHA_TABLE[8] =
+const uint32_t TOR_ISALPHA_TABLE[8] =
   { 0, 0, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 };
-const uint32_t const TOR_ISALNUM_TABLE[8] =
+const uint32_t TOR_ISALNUM_TABLE[8] =
   { 0, 0x3ff0000, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 };
-const uint32_t const TOR_ISSPACE_TABLE[8] = { 0x3e00, 0x1, 0, 0, 0, 0, 0, 0 };
-const uint32_t const TOR_ISXDIGIT_TABLE[8] =
+const uint32_t TOR_ISSPACE_TABLE[8] = { 0x3e00, 0x1, 0, 0, 0, 0, 0, 0 };
+const uint32_t TOR_ISXDIGIT_TABLE[8] =
   { 0, 0x3ff0000, 0x7e, 0x7e, 0, 0, 0, 0 };
-const uint32_t const TOR_ISDIGIT_TABLE[8] = { 0, 0x3ff0000, 0, 0, 0, 0, 0, 0 };
-const uint32_t const TOR_ISPRINT_TABLE[8] =
+const uint32_t TOR_ISDIGIT_TABLE[8] = { 0, 0x3ff0000, 0, 0, 0, 0, 0, 0 };
+const uint32_t TOR_ISPRINT_TABLE[8] =
   { 0, 0xffffffff, 0xffffffff, 0x7fffffff, 0, 0, 0, 0x0 };
-const uint32_t const TOR_ISUPPER_TABLE[8] = { 0, 0, 0x7fffffe, 0, 0, 0, 0, 0 };
-const uint32_t const TOR_ISLOWER_TABLE[8] = { 0, 0, 0, 0x7fffffe, 0, 0, 0, 0 };
+const uint32_t TOR_ISUPPER_TABLE[8] = { 0, 0, 0x7fffffe, 0, 0, 0, 0, 0 };
+const uint32_t TOR_ISLOWER_TABLE[8] = { 0, 0, 0, 0x7fffffe, 0, 0, 0, 0 };
 /* Upper-casing and lowercasing tables to map characters to upper/lowercase
  * equivalents. */
-const char const TOR_TOUPPER_TABLE[256] = {
+const char TOR_TOUPPER_TABLE[256] = {
   0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
   32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
@@ -416,7 +416,7 @@ const char const TOR_TOUPPER_TABLE[256] = {
   224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
   240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,
 };
-const char const TOR_TOLOWER_TABLE[256] = {
+const char TOR_TOLOWER_TABLE[256] = {
   0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
   32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
diff --git a/src/common/compat.h b/src/common/compat.h
index 0800fee5d..99987d375 100644
--- a/src/common/compat.h
+++ b/src/common/compat.h
@@ -218,7 +218,7 @@ tor_memstr(const void *haystack, size_t hlen, const char *needle)
  * which all assumes we're doing ASCII. */
 #define DECLARE_CTYPE_FN(name)                                          \
   static int TOR_##name(char c);                                        \
-  extern const uint32_t const TOR_##name##_TABLE[];                     \
+  extern const uint32_t TOR_##name##_TABLE[];                           \
   static INLINE int TOR_##name(char c) {                                \
     uint8_t u = c;                                                      \
     return !!(TOR_##name##_TABLE[(u >> 5) & 7] & (1 << (u & 31)));      \
@@ -231,8 +231,8 @@ DECLARE_CTYPE_FN(ISXDIGIT)
 DECLARE_CTYPE_FN(ISPRINT)
 DECLARE_CTYPE_FN(ISLOWER)
 DECLARE_CTYPE_FN(ISUPPER)
-extern const char const TOR_TOUPPER_TABLE[];
-extern const char const TOR_TOLOWER_TABLE[];
+extern const char TOR_TOUPPER_TABLE[];
+extern const char TOR_TOLOWER_TABLE[];
 #define TOR_TOLOWER(c) (TOR_TOLOWER_TABLE[(uint8_t)c])
 #define TOR_TOUPPER(c) (TOR_TOUPPER_TABLE[(uint8_t)c])