diff --git a/arch/arm/bits/stdint.h b/arch/arm/bits/stdint.h
index 43d3d59d..d1b27121 100644
--- a/arch/arm/bits/stdint.h
+++ b/arch/arm/bits/stdint.h
@@ -17,6 +17,4 @@ typedef uint32_t uint_fast32_t;
 #define UINTPTR_MAX     UINT32_MAX
 #define PTRDIFF_MIN     INT32_MIN
 #define PTRDIFF_MAX     INT32_MAX
-#define SIG_ATOMIC_MIN  INT32_MIN
-#define SIG_ATOMIC_MAX  INT32_MAX
 #define SIZE_MAX        UINT32_MAX
diff --git a/arch/microblaze/bits/stdint.h b/arch/microblaze/bits/stdint.h
index 43d3d59d..d1b27121 100644
--- a/arch/microblaze/bits/stdint.h
+++ b/arch/microblaze/bits/stdint.h
@@ -17,6 +17,4 @@ typedef uint32_t uint_fast32_t;
 #define UINTPTR_MAX     UINT32_MAX
 #define PTRDIFF_MIN     INT32_MIN
 #define PTRDIFF_MAX     INT32_MAX
-#define SIG_ATOMIC_MIN  INT32_MIN
-#define SIG_ATOMIC_MAX  INT32_MAX
 #define SIZE_MAX        UINT32_MAX
diff --git a/arch/mips/bits/stdint.h b/arch/mips/bits/stdint.h
index 43d3d59d..d1b27121 100644
--- a/arch/mips/bits/stdint.h
+++ b/arch/mips/bits/stdint.h
@@ -17,6 +17,4 @@ typedef uint32_t uint_fast32_t;
 #define UINTPTR_MAX     UINT32_MAX
 #define PTRDIFF_MIN     INT32_MIN
 #define PTRDIFF_MAX     INT32_MAX
-#define SIG_ATOMIC_MIN  INT32_MIN
-#define SIG_ATOMIC_MAX  INT32_MAX
 #define SIZE_MAX        UINT32_MAX
diff --git a/arch/powerpc/bits/stdint.h b/arch/powerpc/bits/stdint.h
index 43d3d59d..d1b27121 100644
--- a/arch/powerpc/bits/stdint.h
+++ b/arch/powerpc/bits/stdint.h
@@ -17,6 +17,4 @@ typedef uint32_t uint_fast32_t;
 #define UINTPTR_MAX     UINT32_MAX
 #define PTRDIFF_MIN     INT32_MIN
 #define PTRDIFF_MAX     INT32_MAX
-#define SIG_ATOMIC_MIN  INT32_MIN
-#define SIG_ATOMIC_MAX  INT32_MAX
 #define SIZE_MAX        UINT32_MAX
diff --git a/arch/x86_64/bits/stdint.h b/arch/x86_64/bits/stdint.h
index 495e1e42..1bb147f2 100644
--- a/arch/x86_64/bits/stdint.h
+++ b/arch/x86_64/bits/stdint.h
@@ -17,6 +17,4 @@ typedef uint32_t uint_fast32_t;
 #define UINTPTR_MAX     UINT64_MAX
 #define PTRDIFF_MIN     INT64_MIN
 #define PTRDIFF_MAX     INT64_MAX
-#define SIG_ATOMIC_MIN  INT64_MIN
-#define SIG_ATOMIC_MAX  INT64_MAX
 #define SIZE_MAX        UINT64_MAX