diff --git a/lib/clean/user.sh b/lib/clean/user.sh
index 9cc616f..26fe25d 100644
--- a/lib/clean/user.sh
+++ b/lib/clean/user.sh
@@ -42,8 +42,8 @@ clean_empty_library_items() {
     for location in "${key_locations[@]}"; do
         [[ -d "$location" ]] || continue
 
-        # Limit passes to keep cleanup fast; one extra pass catches most parents.
-        local max_iterations=2
+        # Limit passes to keep cleanup fast; 3 iterations handle most nested scenarios.
+        local max_iterations=3
         local iteration=0
 
         while [[ $iteration -lt $max_iterations ]]; do
diff --git a/tests/core_common.bats b/tests/core_common.bats
index 105a4ca..0bb6efa 100644
--- a/tests/core_common.bats
+++ b/tests/core_common.bats
@@ -25,21 +25,11 @@ setup() {
     mkdir -p "$HOME"
 }
 
-teardown() {
-    unset MO_SPINNER_CHARS || true
-}
-
-@test "mo_spinner_chars returns default sequence when unset" {
+@test "mo_spinner_chars returns default sequence" {
     result="$(HOME="$HOME" bash --noprofile --norc -c "source '$PROJECT_ROOT/lib/core/common.sh'; mo_spinner_chars")"
     [ "$result" = "|/-\\" ]
 }
 
-@test "mo_spinner_chars respects MO_SPINNER_CHARS override" {
-    export MO_SPINNER_CHARS="abcd"
-    result="$(HOME="$HOME" MO_SPINNER_CHARS="$MO_SPINNER_CHARS" bash --noprofile --norc -c "source '$PROJECT_ROOT/lib/core/common.sh'; mo_spinner_chars")"
-    [ "$result" = "abcd" ]
-}
-
 @test "detect_architecture maps current CPU to friendly label" {
     expected="Intel"
     if [[ "$(uname -m)" == "arm64" ]]; then