diff --git a/test/cases/plan9/exit.zig b/test/cases/plan9/exit.zig
deleted file mode 100644
index 735818fb83..0000000000
--- a/test/cases/plan9/exit.zig
+++ /dev/null
@@ -1,5 +0,0 @@
-pub fn main() void {}
-
-// run
-// target=x86_64-plan9,aarch64-plan9
-//
diff --git a/test/cases/plan9/hello_world_with_updates.0.zig b/test/cases/plan9/hello_world_with_updates.0.zig
deleted file mode 100644
index 7e7c373251..0000000000
--- a/test/cases/plan9/hello_world_with_updates.0.zig
+++ /dev/null
@@ -1,28 +0,0 @@
-pub fn main() void {
-    const str = "Hello World!\n";
-    asm volatile (
-        \\push $0
-        \\push %%r10
-        \\push %%r11
-        \\push $1
-        \\push $0
-        \\syscall
-        \\pop %%r11
-        \\pop %%r11
-        \\pop %%r11
-        \\pop %%r11
-        \\pop %%r11
-        :
-        // pwrite
-        : [syscall_number] "{rbp}" (51),
-          [hey] "{r11}" (@ptrToInt(str)),
-          [strlen] "{r10}" (str.len),
-        : "rcx", "rbp", "r11", "memory"
-    );
-}
-
-// run
-// target=x86_64-plan9
-//
-// Hello World
-//
diff --git a/test/cases/plan9/hello_world_with_updates.1.zig b/test/cases/plan9/hello_world_with_updates.1.zig
deleted file mode 100644
index 4111a8dc08..0000000000
--- a/test/cases/plan9/hello_world_with_updates.1.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-const std = @import("std");
-pub fn main() void {
-    const str = "Hello World!\n";
-    _ = std.os.plan9.pwrite(1, str, str.len, 0);
-}
-
-// run
-//
-// Hello World
-//