diff --git a/app/rust/src/lib.rs b/app/rust/src/lib.rs
index f668a44..c5e81b4 100644
--- a/app/rust/src/lib.rs
+++ b/app/rust/src/lib.rs
@@ -13,7 +13,7 @@
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 ********************************************************************************/
-// #![no_std]
+#![no_std]
 #![no_builtins]
 #![allow(dead_code)]
 #![deny(unused_crate_dependencies)]
@@ -43,14 +43,14 @@ pub(crate) use utils::prf::{expand_fq, expand_fr};
 
 fn debug(_msg: &str) {}
 
-// #[cfg(all(not(test), not(feature = "clippy"), not(feature = "fuzzing")))]
-// use core::panic::PanicInfo;
+#[cfg(all(not(test), not(feature = "clippy"), not(feature = "fuzzing")))]
+use core::panic::PanicInfo;
 
-// #[cfg(all(not(test), not(feature = "clippy"), not(feature = "fuzzing")))]
-// #[panic_handler]
-// fn panic(_info: &PanicInfo) -> ! {
-//     loop {}
-// }
+#[cfg(all(not(test), not(feature = "clippy"), not(feature = "fuzzing")))]
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
 
 extern "C" {
     fn check_app_canary();
diff --git a/app/src/parser_interface.c b/app/src/parser_interface.c
index 5c64c42..fceff70 100644
--- a/app/src/parser_interface.c
+++ b/app/src/parser_interface.c
@@ -79,7 +79,7 @@ parser_error_t compute_output_action_hash(output_plan_t *plan, action_hash_t *ou
         0xa1, 0xff, 0xba, 0x0c, 0x37, 0x93, 0x1f, 0x0a, 0x62, 0x61, 0x37, 0x52, 0x0d, 0xa6, 0x50, 0x63,
         0x2d, 0x35, 0x85, 0x3b, 0xf5, 0x91, 0xb3, 0x6b, 0xb4, 0x28, 0x63, 0x0a, 0x4d, 0x87, 0xc4, 0xdc
     };
-    Bytes_t memo;
+    Bytes_t memo = {0};
 
     if (rs_output_action_hash(&sk_bytes, plan, &memo, (uint8_t *)output, 64) != parser_ok) {
         return parser_unexpected_error;
diff --git a/tests/parser_impl.cpp b/tests/parser_impl.cpp
index 8d442b1..419063f 100644
--- a/tests/parser_impl.cpp
+++ b/tests/parser_impl.cpp
@@ -36,7 +36,7 @@ TEST(SCALE, ReadBytes) {
     uint8_t buffer[6000];
     auto bufferLen = parseHexString(
         buffer, sizeof(buffer),
-        "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");
+        "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");
 
     parser_parse(&ctx, buffer, bufferLen, &tx_obj);
 }
diff --git a/tests_zemu/tests/common.ts b/tests_zemu/tests/common.ts
index fc45a4f..7695b98 100644
--- a/tests_zemu/tests/common.ts
+++ b/tests_zemu/tests/common.ts
@@ -29,5 +29,5 @@ export const defaultOptions = {
 }
 
 export const txBlobExample =
-  '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'
+  '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'