diff --git a/compiler/load/src/file.rs b/compiler/load/src/file.rs
index 6c84a94d0a..0e515ec254 100644
--- a/compiler/load/src/file.rs
+++ b/compiler/load/src/file.rs
@@ -51,7 +51,7 @@ use crate::work::{Dependencies, Phase};
 #[cfg(not(target_family = "wasm"))]
 use std::time::{Duration, SystemTime};
 #[cfg(target_family = "wasm")]
-use wasm_system_time::{Duration, SystemTime};
+use crate::wasm_system_time::{Duration, SystemTime};
 
 /// Default name for the binary generated for an app, if an invalid one was specified.
 const DEFAULT_APP_OUTPUT_PATH: &str = "app";
@@ -650,7 +650,7 @@ impl ModuleTiming {
             end_time,
         } = self;
 
-        let calculate = |t: Result<Duration, std::time::SystemTimeError>| -> Option<Duration> {
+        let calculate = |t: Result<Duration, _>| -> Option<Duration> {
             t.ok()?
                 .checked_sub(*make_specializations)?
                 .checked_sub(*find_specializations)?
diff --git a/compiler/load/src/wasm_system_time.rs b/compiler/load/src/wasm_system_time.rs
index 9709c1e22d..4fa9728871 100644
--- a/compiler/load/src/wasm_system_time.rs
+++ b/compiler/load/src/wasm_system_time.rs
@@ -11,13 +11,13 @@ Instead we use these dummy implementations, which should just disappear at compi
 pub struct SystemTime;
 
 impl SystemTime {
-    fn now() -> Self {
+    pub fn now() -> Self {
         SystemTime
     }
-    fn duration_since(&self, _: SystemTime) -> Result<Duration, String> {
+    pub fn duration_since(&self, _: SystemTime) -> Result<Duration, String> {
         Ok(Duration)
     }
-    fn elapsed(&self) -> Result<Duration, String> {
+    pub fn elapsed(&self) -> Result<Duration, String> {
         Ok(Duration)
     }
 }
@@ -26,7 +26,7 @@ impl SystemTime {
 pub struct Duration;
 
 impl Duration {
-    fn checked_sub(&self, _: Duration) -> Option<Duration> {
+    pub fn checked_sub(&self, _: Duration) -> Option<Duration> {
         Some(Duration)
     }
 }
diff --git a/compiler/types/src/subs.rs b/compiler/types/src/subs.rs
index 7dac3c50c7..3227c58796 100644
--- a/compiler/types/src/subs.rs
+++ b/compiler/types/src/subs.rs
@@ -1633,7 +1633,7 @@ roc_error_macros::assert_sizeof_all!(FlatType, 3 * 8);
 
 roc_error_macros::assert_sizeof_aarch64!((Variable, Option<Lowercase>), 4 * 8);
 roc_error_macros::assert_sizeof_wasm!((Variable, Option<Lowercase>), 4 * 4);
-roc_error_macros::assert_sizeof_all!((Variable, Option<Lowercase>), 4 * 8);
+roc_error_macros::assert_sizeof_default!((Variable, Option<Lowercase>), 4 * 8);
 
 #[derive(Clone, Debug)]
 pub enum Content {