diff --git a/.github/workflows/rts-outside-nix.yml b/.github/workflows/rts-outside-nix.yml
index ec9212e79f8..63bf6b3621e 100644
--- a/.github/workflows/rts-outside-nix.yml
+++ b/.github/workflows/rts-outside-nix.yml
@@ -11,4 +11,5 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: Swatinem/rust-cache@v2
-    - run: make -C rts
+    - name: Build RTS
+      run: make -C rts
diff --git a/rts/motoko-rts/src/principal_id.rs b/rts/motoko-rts/src/principal_id.rs
index 1506e4a05f7..6bbe8e10a8a 100644
--- a/rts/motoko-rts/src/principal_id.rs
+++ b/rts/motoko-rts/src/principal_id.rs
@@ -30,12 +30,6 @@ pub unsafe extern "C" fn compute_crc32(blob: Value) -> u32 {
     !crc
 }
 
-// TEMPORARY
-#[no_mangle]
-pub unsafe extern "C" fn echo(value: u32) -> u32 {
-    value
-}
-
 static CRC_TABLE: [u32; 256] = [
     0x0, 0x77073096, 0xee0e612c, 0x990951ba, 0x76dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
     0xedb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x9b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,