diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index bf05de3d5..82c973b77 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -1051,7 +1051,7 @@ localtime_r(const time_t *, struct tm *);
 #define strtoll rk_strtoll
 #endif
 ROKEN_LIB_FUNCTION long long ROKEN_LIB_CALL
-strtoll(const char * __restrict nptr, char ** __restrict endptr, int base);
+strtoll(const char * nptr, char ** endptr, int base);
 #endif
 
 #if !defined(HAVE_STRTOULL) || defined(NEED_STRTOULL_PROTO)
@@ -1059,7 +1059,7 @@ strtoll(const char * __restrict nptr, char ** __restrict endptr, int base);
 #define strtoull rk_strtoull
 #endif
 ROKEN_LIB_FUNCTION unsigned long long ROKEN_LIB_CALL
-strtoull(const char * __restrict nptr, char ** __restrict endptr, int base);
+strtoull(const char * nptr, char ** endptr, int base);
 #endif
 
 #if !defined(HAVE_STRSVIS) || defined(NEED_STRSVIS_PROTO)
diff --git a/lib/roken/strtoll.c b/lib/roken/strtoll.c
index 89e1a77d3..1be876131 100644
--- a/lib/roken/strtoll.c
+++ b/lib/roken/strtoll.c
@@ -53,7 +53,7 @@
  * alphabets and digits are each contiguous.
  */
 ROKEN_LIB_FUNCTION long long ROKEN_LIB_CALL
-strtoll(const char * __restrict nptr, char ** __restrict endptr, int base)
+strtoll(const char * nptr, char ** endptr, int base)
 {
     const char *s;
     unsigned long long acc;
diff --git a/lib/roken/strtoull.c b/lib/roken/strtoull.c
index b954a0706..cdf59448f 100644
--- a/lib/roken/strtoull.c
+++ b/lib/roken/strtoull.c
@@ -53,7 +53,7 @@
  * alphabets and digits are each contiguous.
  */
 ROKEN_LIB_FUNCTION unsigned long long ROKEN_LIB_CALL
-strtoull(const char * __restrict nptr, char ** __restrict endptr, int base)
+strtoull(const char * nptr, char ** endptr, int base)
 {
     const char *s;
     unsigned long long acc;