diff --git a/bits/wordsize.h b/bits/wordsize.h
index 14edae3a11..e20fd2e4c2 100644
--- a/bits/wordsize.h
+++ b/bits/wordsize.h
@@ -19,9 +19,3 @@
    __WORDSIZE is 32 and ptrdiff_t is type 'int' and leave undefined if
    __WORDSIZE is 64.  */
 #define __WORDSIZE32_PTRDIFF_LONG
-
-/* Set to 1 in order to force time types to be 32 bits instead of 64 bits in
-   struct lastlog and struct utmp{,x} on 64-bit ports.  This may be done in
-   order to make 64-bit ports compatible with 32-bit ports.  Set to 0 for
-   64-bit ports where the time types are 64-bits or for any 32-bit ports.  */
-#define __WORDSIZE_TIME64_COMPAT32
diff --git a/sysdeps/aarch64/bits/wordsize.h b/sysdeps/aarch64/bits/wordsize.h
index 91da566b74..473ab82dbd 100644
--- a/sysdeps/aarch64/bits/wordsize.h
+++ b/sysdeps/aarch64/bits/wordsize.h
@@ -24,5 +24,3 @@
 # define __WORDSIZE32_SIZE_ULONG	1
 # define __WORDSIZE32_PTRDIFF_LONG	1
 #endif
-
-#define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/sysdeps/mips/bits/wordsize.h b/sysdeps/mips/bits/wordsize.h
index 18ef16c639..de2cfd844c 100644
--- a/sysdeps/mips/bits/wordsize.h
+++ b/sysdeps/mips/bits/wordsize.h
@@ -19,12 +19,6 @@
 
 #define __WORDSIZE			_MIPS_SZPTR
 
-#if _MIPS_SIM == _ABI64
-# define __WORDSIZE_TIME64_COMPAT32	1
-#else
-# define __WORDSIZE_TIME64_COMPAT32	0
-#endif
-
 #if __WORDSIZE == 32
 #define __WORDSIZE32_SIZE_ULONG		0
 #define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/powerpc/powerpc32/bits/wordsize.h b/sysdeps/powerpc/powerpc32/bits/wordsize.h
index 04ca9debf0..df1aa27244 100644
--- a/sysdeps/powerpc/powerpc32/bits/wordsize.h
+++ b/sysdeps/powerpc/powerpc32/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
diff --git a/sysdeps/powerpc/powerpc64/bits/wordsize.h b/sysdeps/powerpc/powerpc64/bits/wordsize.h
index 04ca9debf0..df1aa27244 100644
--- a/sysdeps/powerpc/powerpc64/bits/wordsize.h
+++ b/sysdeps/powerpc/powerpc64/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
diff --git a/sysdeps/riscv/bits/wordsize.h b/sysdeps/riscv/bits/wordsize.h
index e7fcc1932c..0d7508bf9c 100644
--- a/sysdeps/riscv/bits/wordsize.h
+++ b/sysdeps/riscv/bits/wordsize.h
@@ -22,8 +22,6 @@
 # error unsupported ABI
 #endif
 
-#define __WORDSIZE_TIME64_COMPAT32  1
-
 #if __WORDSIZE == 32
 # define __WORDSIZE32_SIZE_ULONG    0
 # define __WORDSIZE32_PTRDIFF_LONG  0
diff --git a/sysdeps/s390/s390-32/bits/wordsize.h b/sysdeps/s390/s390-32/bits/wordsize.h
index 129e47182b..755050861e 100644
--- a/sysdeps/s390/s390-32/bits/wordsize.h
+++ b/sysdeps/s390/s390-32/bits/wordsize.h
@@ -7,5 +7,3 @@
 # define __WORDSIZE32_SIZE_ULONG       1
 # define __WORDSIZE32_PTRDIFF_LONG      0
 #endif
-
-#define __WORDSIZE_TIME64_COMPAT32     0
diff --git a/sysdeps/s390/s390-64/bits/wordsize.h b/sysdeps/s390/s390-64/bits/wordsize.h
index 00e88b0628..01245a5b71 100644
--- a/sysdeps/s390/s390-64/bits/wordsize.h
+++ b/sysdeps/s390/s390-64/bits/wordsize.h
@@ -7,5 +7,3 @@
 # define __WORDSIZE32_SIZE_ULONG       1
 # define __WORDSIZE32_PTRDIFF_LONG     0
 #endif
-
-#define __WORDSIZE_TIME64_COMPAT32     0
diff --git a/sysdeps/sparc/sparc32/bits/wordsize.h b/sysdeps/sparc/sparc32/bits/wordsize.h
index 2f66f10d72..10b73267f0 100644
--- a/sysdeps/sparc/sparc32/bits/wordsize.h
+++ b/sysdeps/sparc/sparc32/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
diff --git a/sysdeps/sparc/sparc64/bits/wordsize.h b/sysdeps/sparc/sparc64/bits/wordsize.h
index 2f66f10d72..10b73267f0 100644
--- a/sysdeps/sparc/sparc64/bits/wordsize.h
+++ b/sysdeps/sparc/sparc64/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
index cb3c41ddb4..72c5634c0a 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
@@ -16,4 +16,3 @@
    <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE	64
-#define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
index 04ca9debf0..df1aa27244 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
index 7562875ee2..10b73267f0 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
@@ -2,10 +2,8 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
-# define __WORDSIZE_TIME64_COMPAT32	0
 #endif
diff --git a/sysdeps/wordsize-32/bits/wordsize.h b/sysdeps/wordsize-32/bits/wordsize.h
index cfa60443fc..bcd2fef565 100644
--- a/sysdeps/wordsize-32/bits/wordsize.h
+++ b/sysdeps/wordsize-32/bits/wordsize.h
@@ -16,6 +16,5 @@
    <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			32
-#define __WORDSIZE_TIME64_COMPAT32	0
 #define __WORDSIZE32_SIZE_ULONG		0
 #define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/wordsize-64/bits/wordsize.h b/sysdeps/wordsize-64/bits/wordsize.h
index f4f0681de5..d875811fab 100644
--- a/sysdeps/wordsize-64/bits/wordsize.h
+++ b/sysdeps/wordsize-64/bits/wordsize.h
@@ -16,4 +16,3 @@
    <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			64
-#define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/sysdeps/x86/bits/wordsize.h b/sysdeps/x86/bits/wordsize.h
index 70f652bca1..cf250cc6df 100644
--- a/sysdeps/x86/bits/wordsize.h
+++ b/sysdeps/x86/bits/wordsize.h
@@ -9,9 +9,6 @@
 #endif
 
 #ifdef __x86_64__
-# define __WORDSIZE_TIME64_COMPAT32	1
 /* Both x86-64 and x32 use the 64-bit system call interface.  */
 # define __SYSCALL_WORDSIZE		64
-#else
-# define __WORDSIZE_TIME64_COMPAT32	0
 #endif
