diff --git a/crates/0-std-tests/src/lib.rs b/crates/0-std-tests/src/lib.rs
index dc3b9e2..893f7fd 100644
--- a/crates/0-std-tests/src/lib.rs
+++ b/crates/0-std-tests/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(fs_try_exists)]
-
 mod tests_fs;
 mod tests_pthread;
 mod tests_tcp;
diff --git a/crates/0-std-tests/src/tests_fs.rs b/crates/0-std-tests/src/tests_fs.rs
index 3c058d3..9a74a1d 100644
--- a/crates/0-std-tests/src/tests_fs.rs
+++ b/crates/0-std-tests/src/tests_fs.rs
@@ -6,7 +6,7 @@ mod tests {
 
     impl Drop for FsScope {
         fn drop(&mut self) {
-            if fs::try_exists("ux0:/data/.rust_test").unwrap_or(false) {
+            if fs::exists("ux0:/data/.rust_test").unwrap_or(false) {
                 fs::remove_dir_all("ux0:/data/.rust_test").expect("unable to cleanup");
             }
         }
@@ -54,7 +54,7 @@ mod tests {
         assert!(&data == "contents", "invalid file contents");
 
         assert!(
-            fs::try_exists("ux0:/data/.rust_test/file").unwrap(),
+            fs::exists("ux0:/data/.rust_test/file").unwrap(),
             "file does not exist",
         );
 
@@ -69,7 +69,7 @@ mod tests {
 
         fs::remove_file("ux0:/data/.rust_test/file").expect("unable to delete file");
         assert!(
-            !fs::try_exists("ux0:/data/.rust_test/file").unwrap(),
+            !fs::exists("ux0:/data/.rust_test/file").unwrap(),
             "file exists, but should not",
         );
 
diff --git a/crates/3-sdl/src/main.rs b/crates/3-sdl/src/main.rs
index 5ab4b82..0f559ae 100644
--- a/crates/3-sdl/src/main.rs
+++ b/crates/3-sdl/src/main.rs
@@ -1,3 +1,16 @@
+// These linker flags are only necessary with Northfear SDL2 fork
+#[link(name = "SDL2", kind = "static")]
+#[link(name = "vitaGL", kind = "static")]
+#[link(name = "vitashark", kind = "static")]
+#[link(name = "SceShaccCg_stub", kind = "static")]
+#[link(name = "mathneon", kind = "static")]
+#[link(name = "SceShaccCgExt", kind = "static")]
+#[link(name = "taihen_stub", kind = "static")]
+#[link(name = "SceKernelDmacMgr_stub", kind = "static")]
+#[link(name = "SceIme_stub", kind = "static")]
+extern "C" {}
+
+
 use crate::game_of_life::{PLAYGROUND_HEIGHT, PLAYGROUND_WIDTH, SQUARE_SIZE};
 use sdl2::keyboard::Keycode;
 use sdl2::mouse::MouseButton;
diff --git a/crates/4-vitasdk/src/main.rs b/crates/4-vitasdk/src/main.rs
index fb40137..a67e505 100644
--- a/crates/4-vitasdk/src/main.rs
+++ b/crates/4-vitasdk/src/main.rs
@@ -1,6 +1,6 @@
 use std::backtrace::Backtrace;
 use std::fmt::Write;
-use std::panic::{self, PanicInfo};
+use std::panic::{self, PanicHookInfo};
 use std::thread;
 use std::time::Duration;
 
@@ -25,7 +25,7 @@ pub fn main() {
     thread::sleep(Duration::from_secs(5));
 }
 
-fn custom_panic_hook(info: &PanicInfo<'_>) {
+fn custom_panic_hook(info: &PanicHookInfo<'_>) {
     // The current implementation always returns `Some`.
     let location = info.location().unwrap();