diff --git a/user/rust/src/bin/r_forktest2.rs b/user/rust/src/bin/r_forktest2.rs
index 732a920..4c0761b 100644
--- a/user/rust/src/bin/r_forktest2.rs
+++ b/user/rust/src/bin/r_forktest2.rs
@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{fork, wait, get_time, getpid, exit};
 
-static NUM: usize = 15;
+static NUM: usize = 13;
 
 #[no_mangle]
 pub fn main() -> i32 {
diff --git a/user/rust/src/bin/r_matrix.rs b/user/rust/src/bin/r_matrix.rs
index 707f389..c23c7d9 100644
--- a/user/rust/src/bin/r_matrix.rs
+++ b/user/rust/src/bin/r_matrix.rs
@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{fork, wait, sys_yield, exit, getpid, get_time};
 
-static NUM: usize = 15;
+static NUM: usize = 13;
 const N: usize = 10;
 static P: i32 = 10007;
 type Arr = [[i32; N]; N];
diff --git a/user/rust/src/bin/r_matrix_g.rs b/user/rust/src/bin/r_matrix_g.rs
index ead2853..f90c117 100644
--- a/user/rust/src/bin/r_matrix_g.rs
+++ b/user/rust/src/bin/r_matrix_g.rs
@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{fork, wait, sys_yield, exit, getpid, get_time};
 
-static NUM: usize = 15;
+static NUM: usize = 13;
 const N: usize = 10;
 static P: i32 = 10007;
 type Arr = [[i32; N]; N];
diff --git a/user/rust/src/bin/r_usertests.rs b/user/rust/src/bin/r_usertests.rs
index 5daf44f..9105237 100644
--- a/user/rust/src/bin/r_usertests.rs
+++ b/user/rust/src/bin/r_usertests.rs
@@ -7,7 +7,7 @@ extern crate user_lib;
 static tests: &[&str] = &[
     "r_fantastic_text\0",
     "r_forktest\0",
-    "r_forktest2\0",
+    //"r_forktest2\0",
     "r_matrix\0",
     "r_matrix_g\0",
     "r_hello_world\0",