diff --git a/lib/std/os/linux/arm.zig b/lib/std/os/linux/arm.zig
index 799557065428f23e7842947a205361620bd9dfc5..bef158b925b73d702a6986e615c4e9e47b0190a6 100644
--- a/lib/std/os/linux/arm.zig
+++ b/lib/std/os/linux/arm.zig
@@ -134,12 +134,12 @@ pub fn restore() callconv(.naked) noreturn {
             \\ svc #0
             :
             : [number] "I" (@intFromEnum(SYS.sigreturn)),
-            : .{ .memory = true }),
+        ),
         else => asm volatile (
             \\ svc #0
             :
             : [number] "{r7}" (@intFromEnum(SYS.sigreturn)),
-            : .{ .memory = true }),
+        ),
     }
 }
 
diff --git a/lib/std/os/linux/powerpc.zig b/lib/std/os/linux/powerpc.zig
index c96a8a0804593d5a07bb19f98cba5073be5952aa..85335b02758a2313dadbe8e385da7eba996c9b98 100644
--- a/lib/std/os/linux/powerpc.zig
+++ b/lib/std/os/linux/powerpc.zig
@@ -254,7 +254,7 @@ pub fn restore_rt() callconv(.naked) noreturn {
             :
             : [number] "i" (@intFromEnum(SYS.rt_sigreturn)),
         ),
-        else => _ = asm volatile (
+        else => asm volatile (
             \\ sc
             :
             : [number] "{r0}" (@intFromEnum(SYS.rt_sigreturn)),
diff --git a/lib/std/os/linux/powerpc64.zig b/lib/std/os/linux/powerpc64.zig
index 5b1af7cc2be431b7a88d2fae2d0b2177f91ca7bd..73e8f740120aa70e36de0bbd9022a146713b71f8 100644
--- a/lib/std/os/linux/powerpc64.zig
+++ b/lib/std/os/linux/powerpc64.zig
@@ -239,7 +239,7 @@ pub fn restore_rt() callconv(.naked) noreturn {
             :
             : [number] "i" (@intFromEnum(SYS.rt_sigreturn)),
         ),
-        else => _ = asm volatile (
+        else => asm volatile (
             \\ sc
             :
             : [number] "{r0}" (@intFromEnum(SYS.rt_sigreturn)),
diff --git a/lib/std/os/linux/x86.zig b/lib/std/os/linux/x86.zig
index c24ffcae6aa35fa1a6af8c83a1d5036eece65cc0..6fe4d402b2b74f3cea9f8ae9f6481831b17da4ec 100644
--- a/lib/std/os/linux/x86.zig
+++ b/lib/std/os/linux/x86.zig
@@ -175,12 +175,12 @@ pub fn restore() callconv(.naked) noreturn {
             \\ int $0x80
             :
             : [number] "i" (@intFromEnum(SYS.sigreturn)),
-            : .{ .memory = true }),
+        ),
         else => asm volatile (
             \\ int $0x80
             :
             : [number] "{eax}" (@intFromEnum(SYS.sigreturn)),
-            : .{ .memory = true }),
+        ),
     }
 }