diff --git a/aya/src/maps/bloom_filter.rs b/aya/src/maps/bloom_filter.rs
index daeaa46c..bc060d87 100644
--- a/aya/src/maps/bloom_filter.rs
+++ b/aya/src/maps/bloom_filter.rs
@@ -120,6 +120,8 @@ mod tests {
 
     #[test]
     fn test_try_from_wrong_map() {
+        // This is necessary to stop miri tripping over the PERF_EVENT_ARRAY
+        // logic and attempting to open a file to read number of online CPUs.
         let map = new_map(test_utils::new_obj_map::<u32>(BPF_MAP_TYPE_ARRAY));
         let map = Map::Array(map);
 
diff --git a/aya/src/maps/lpm_trie.rs b/aya/src/maps/lpm_trie.rs
index 37377efa..29ab5c29 100644
--- a/aya/src/maps/lpm_trie.rs
+++ b/aya/src/maps/lpm_trie.rs
@@ -249,6 +249,8 @@ mod tests {
 
     #[test]
     fn test_try_from_wrong_map() {
+        // This is necessary to stop miri tripping over the PERF_EVENT_ARRAY
+        // logic and attempting to open a file to read number of online CPUs.
         let map = new_map(test_utils::new_obj_map::<u32>(BPF_MAP_TYPE_ARRAY));
         let map = Map::Array(map);