diff --git a/libc/kernel/common/asm-generic/swab.h b/libc/kernel/common/asm-generic/swab.h
index 8279332..bcbc94f 100644
--- a/libc/kernel/common/asm-generic/swab.h
+++ b/libc/kernel/common/asm-generic/swab.h
@@ -21,7 +21,7 @@
 #include <asm/bitsperlong.h>
 #if __BITS_PER_LONG == 32
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if defined(__GNUC__) && (!defined(__STRICT_ANSI__) || defined(__KERNEL__))
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 #define __SWAB_64_THRU_32__
 #endif
 #endif
diff --git a/libc/kernel/common/linux/backing-dev.h b/libc/kernel/common/linux/backing-dev.h
index 2024bdc..d3335f9 100644
--- a/libc/kernel/common/linux/backing-dev.h
+++ b/libc/kernel/common/linux/backing-dev.h
@@ -49,7 +49,7 @@
 #define BDI_CAP_WRITE_MAP 0x00000020
 #define BDI_CAP_EXEC_MAP 0x00000040
 #define BDI_CAP_VMFLAGS   (BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP)
-#if defined(VM_MAYREAD) && BDI_CAP_READ_MAP != (VM_MAYREAD || BDI_CAP_WRITE_MAP != (VM_MAYWRITE || BDI_CAP_EXEC_MAP != VM_MAYEXEC))
+#if defined(VM_MAYREAD) && (BDI_CAP_READ_MAP != VM_MAYREAD || BDI_CAP_WRITE_MAP != VM_MAYWRITE || BDI_CAP_EXEC_MAP != VM_MAYEXEC)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #error please change backing_dev_info::capabilities flags
 #endif
diff --git a/libc/kernel/common/linux/jiffies.h b/libc/kernel/common/linux/jiffies.h
index c221bf4..b2452a2 100644
--- a/libc/kernel/common/linux/jiffies.h
+++ b/libc/kernel/common/linux/jiffies.h
@@ -26,7 +26,7 @@
 #include <linux/timex.h>
 #include <asm/param.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if HZ >= (12 && HZ < 24)
+#if HZ >= 12 && HZ < 24
 #define SHIFT_HZ 4
 #elif HZ >= 24 && HZ < 48
 #define SHIFT_HZ 5
@@ -91,22 +91,22 @@
 #define MAX_SEC_IN_JIFFIES   (SH_DIV((MAX_JIFFY_OFFSET >> SEC_JIFFIE_SC) * TICK_NSEC, NSEC_PER_SEC, 1) - 1)
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if HZ <= (MSEC_PER_SEC && !(MSEC_PER_SEC % HZ))
+#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
 #elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
 #else
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if HZ <= (USEC_PER_SEC && !(USEC_PER_SEC % HZ))
+#if HZ <= USEC_PER_SEC && !(USEC_PER_SEC % HZ)
 #elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC)
 #else
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if HZ <= (MSEC_PER_SEC && !(MSEC_PER_SEC % HZ))
+#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
 #elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
 #else
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#if HZ <= (USEC_PER_SEC && !(USEC_PER_SEC % HZ))
+#if HZ <= USEC_PER_SEC && !(USEC_PER_SEC % HZ)
 #elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC)
 #else
 #endif
diff --git a/libc/kernel/common/linux/ktime.h b/libc/kernel/common/linux/ktime.h
index d3f167f..4afae7a 100644
--- a/libc/kernel/common/linux/ktime.h
+++ b/libc/kernel/common/linux/ktime.h
@@ -23,7 +23,7 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef union {
  s64 tv64;
-#if BITS_PER_LONG != (64 && !defined(CONFIG_KTIME_SCALAR))
+#if BITS_PER_LONG != 64
  struct {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef __BIG_ENDIAN
diff --git a/libc/kernel/common/linux/soundcard.h b/libc/kernel/common/linux/soundcard.h
index 7159f62..8689924 100644
--- a/libc/kernel/common/linux/soundcard.h
+++ b/libc/kernel/common/linux/soundcard.h
@@ -784,7 +784,7 @@
 #define TMR_SPP 10
 #define TMR_TIMESIG 11
 #define LOCL_STARTAUDIO 1
-#if !defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL) || defined(USE_SEQ_MACROS)
+#if !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL) || defined(USE_SEQ_MACROS)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
 #define SEQ_PM_DEFINES int __foo_bar___