diff --git a/include/boost/regex/v4/perl_matcher.hpp b/include/boost/regex/v4/perl_matcher.hpp
index 7d4ef764..2f906458 100644
--- a/include/boost/regex/v4/perl_matcher.hpp
+++ b/include/boost/regex/v4/perl_matcher.hpp
@@ -377,9 +377,9 @@ private:
    repeater_count<BidiIterator> rep_obj;
 
    // table of functions to match states:
-   static const matcher_proc_type s_match_vtable[27];
+   static const matcher_proc_type s_match_vtable[];
    // table of functions to search for matching attempt start:
-   static const matcher_proc_type s_find_vtable[7];
+   static const matcher_proc_type s_find_vtable[];
 
 
 #ifdef BOOST_REGEX_NON_RECURSIVE
@@ -424,7 +424,7 @@ private:
    // how many memory blocks have we used up?:
    unsigned used_block_count;
    // table of pointers to unwind proceedures:
-   static const unwind_proc_type s_unwind_table[14];
+   static const unwind_proc_type s_unwind_table[];
 #endif
 
    // these operations aren't allowed, so are declared private:
diff --git a/include/boost/regex/v4/perl_matcher_common.hpp b/include/boost/regex/v4/perl_matcher_common.hpp
index c3ce7d7b..3e4e9ffd 100644
--- a/include/boost/regex/v4/perl_matcher_common.hpp
+++ b/include/boost/regex/v4/perl_matcher_common.hpp
@@ -774,7 +774,7 @@ bool perl_matcher<BidiIterator, Allocator, traits, Allocator2>::find_restart_lit
 
 template <class BidiIterator, class Allocator, class traits, class Allocator2>
 typename perl_matcher<BidiIterator, Allocator, traits, Allocator2>::matcher_proc_type const
-perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_match_vtable[27] = 
+perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_match_vtable[] = 
 {
    (&perl_matcher<BidiIterator, Allocator, traits, Allocator2>::match_startmark),
    &perl_matcher<BidiIterator, Allocator, traits, Allocator2>::match_endmark,
@@ -817,7 +817,7 @@ perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_match_vtable[27] =
 
 template <class BidiIterator, class Allocator, class traits, class Allocator2>
 typename perl_matcher<BidiIterator, Allocator, traits, Allocator2>::matcher_proc_type const
-perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_find_vtable[7] = 
+perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_find_vtable[] = 
 {
    &perl_matcher<BidiIterator, Allocator, traits, Allocator2>::find_restart_any,
    &perl_matcher<BidiIterator, Allocator, traits, Allocator2>::find_restart_word,
diff --git a/include/boost/regex/v4/perl_matcher_non_recursive.hpp b/include/boost/regex/v4/perl_matcher_non_recursive.hpp
index 258212ac..7f90f362 100644
--- a/include/boost/regex/v4/perl_matcher_non_recursive.hpp
+++ b/include/boost/regex/v4/perl_matcher_non_recursive.hpp
@@ -1184,7 +1184,7 @@ bool perl_matcher<BidiIterator, Allocator, traits, Allocator2>::unwind_non_greed
 
 template <class BidiIterator, class Allocator, class traits, class Allocator2>
 typename perl_matcher<BidiIterator, Allocator, traits, Allocator2>::unwind_proc_type const
-perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_unwind_table[14] = 
+perl_matcher<BidiIterator, Allocator, traits, Allocator2>::s_unwind_table[] = 
 {
    &perl_matcher<BidiIterator, Allocator, traits, Allocator2>::unwind_end,
    &perl_matcher<BidiIterator, Allocator, traits, Allocator2>::unwind_paren,
diff --git a/include/boost/regex/v4/states.hpp b/include/boost/regex/v4/states.hpp
index eaec0b56..1b0cbc1a 100644
--- a/include/boost/regex/v4/states.hpp
+++ b/include/boost/regex/v4/states.hpp
@@ -110,7 +110,6 @@ enum syntax_element_type
    syntax_element_char_rep = syntax_element_dot_rep + 1,
    syntax_element_short_set_rep = syntax_element_char_rep + 1,
    syntax_element_long_set_rep = syntax_element_short_set_rep + 1, 
-   syntax_element_count = syntax_element_long_set_rep +1
 };
 
 #ifdef BOOST_REGEX_DEBUG