4 files changed, 10 insertions, 24 deletions
diff --git a/extra/locale/gen_ctype_from_glibc.c b/extra/locale/gen_ctype_from_glibc.c
index ef902d978..0488048cd 100644
--- a/extra/locale/gen_ctype_from_glibc.c
+++ b/extra/locale/gen_ctype_from_glibc.c
@@ -71,7 +71,6 @@ bbits_t basic_bits[] =
   {ISpunct , "ISpunct" },
   {ISalpha , "ISalpha" },
   {ISxdigit, "ISxdigit"},
-  {ISblank,  "ISblank"},
   {0, NULL}
 };
 
@@ -258,8 +257,6 @@ Defaults:\n\
 		x2type[i] |= ISpunct;
 	if(isxdigit(i))
 		x2type[i] |= ISxdigit;
-	if(isblank(i))
-		x2type[i] |= ISblank;
 	x2trans[i] = i;
 	if(toupper(x2trans[i]) != x2trans[i])
 		x2trans[i] = toupper(x2trans[i]);
diff --git a/libc/misc/ctype/ctype.c b/libc/misc/ctype/ctype.c
index a077dbf3c..a3d3d4354 100644
--- a/libc/misc/ctype/ctype.c
+++ b/libc/misc/ctype/ctype.c
@@ -41,6 +41,14 @@ toascii( int c )
 }
 #endif
 
+#ifdef L_isblank
+#undef isblank
+int
+isblank( int c )
+{
+    return ((c == ' ') || (c == '\t'));
+}
+#endif
 
 /* locale depended */
 #ifndef __UCLIBC_HAS_LOCALE__
@@ -118,15 +126,6 @@ isspace( int c )
 }
 #endif
 
-#ifdef L_isblank
-#undef isblank
-int
-isblank( int c )
-{
-    return (c == ' ' || c == '\t');
-}
-#endif
-
 #ifdef L_isupper
 #undef isupper
 int
@@ -275,15 +274,6 @@ isspace( int c )
 }
 #endif
 
-#ifdef L_isblank
-#undef isblank
-int
-isblank( int c )
-{
-    return _UC_ISCTYPE(c, ISblank);
-}
-#endif
-
 #ifdef L_isupper
 #undef isupper
 int
diff --git a/libc/misc/ctype/ctype_C.c b/libc/misc/ctype/ctype_C.c
index 190140752..2aa2690b6 100644
--- a/libc/misc/ctype/ctype_C.c
+++ b/libc/misc/ctype/ctype_C.c
@@ -8,7 +8,7 @@ const unsigned char _uc_ctype_b_C[LOCALE_BUF_SIZE] = {
 	/* 0x06, 6, 06 */	IScntrl,
 	/* 0x07, 7, 07 */	IScntrl,
 	/* 0x08, 8, 010 */	IScntrl,
-	/* 0x09, 9, 011 */	IScntrl|ISspace|ISblank,
+	/* 0x09, 9, 011 */	IScntrl|ISspace,
 	/* 0x0a, 10, 012 */	IScntrl|ISspace,
 	/* 0x0b, 11, 013 */	IScntrl|ISspace,
 	/* 0x0c, 12, 014 */	IScntrl|ISspace,
@@ -31,7 +31,7 @@ const unsigned char _uc_ctype_b_C[LOCALE_BUF_SIZE] = {
 	/* 0x1d, 29, 035 */	IScntrl,
 	/* 0x1e, 30, 036 */	IScntrl,
 	/* 0x1f, 31, 037 */	IScntrl,
-	/* 0x20, 32, 040 */	ISprint|ISspace|ISblank,
+	/* 0x20, 32, 040 */	ISprint|ISspace,
 	/* 0x21, 33, 041 */	ISprint|ISpunct,
 	/* 0x22, 34, 042 */	ISprint|ISpunct,
 	/* 0x23, 35, 043 */	ISprint|ISpunct,
diff --git a/libc/misc/locale/_locale.h b/libc/misc/locale/_locale.h
index 75658cc2f..139a862f9 100644
--- a/libc/misc/locale/_locale.h
+++ b/libc/misc/locale/_locale.h
@@ -17,7 +17,6 @@ enum
   ISpunct  = ISbit (5),        /* 32  Punctuation.       */
   ISalpha  = ISbit (6),        /* 64  Alphabetic.        */
   ISxdigit = ISbit (7),        /* 128 Hexnumeric.        */
-  ISblank  = ISbit (8),        /* 256 Blank.             */
 };
 
 extern const unsigned char *_uc_collate_b;