diff --git a/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_unused.typ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_unused.typ
new file mode 100644
index 000000000..4c768fa45
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_unused.typ
@@ -0,0 +1,13 @@
+/// path: u.typ
+
+#let foo() = "foo"
+
+-----
+/// path: main.typ
+/// compile: true
+
+#import "u.typ" as a
+#import "u.typ" as b
+
+#let value = a.foo()
+#value
diff --git a/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_wildcard_unused.typ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_wildcard_unused.typ
new file mode 100644
index 000000000..6c0b9bab5
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_wildcard_unused.typ
@@ -0,0 +1,13 @@
+/// path: u.typ
+
+#let foo() = "foo"
+
+-----
+/// path: main.typ
+/// compile: true
+
+#import "u.typ" as a: *
+#import "u.typ" as b: *
+
+#let value = foo()
+#value
diff --git a/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_wildcard_unused.typ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_wildcard_unused.typ
new file mode 100644
index 000000000..223fe703b
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/duplicate_module_wildcard_unused.typ
@@ -0,0 +1,13 @@
+/// path: u.typ
+
+#let foo() = "foo"
+
+-----
+/// path: main.typ
+/// compile: true
+
+#import "u.typ": *
+#import "u.typ": *
+
+#let value = foo()
+#value
diff --git a/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_unused.typ.snap
new file mode 100644
index 000000000..d590ef4ed
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_unused.typ.snap
@@ -0,0 +1,18 @@
+---
+source: crates/tinymist-query/src/analysis.rs
+expression: "JsonRepr::new_redacted(result, &REDACT_LOC)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_unused.typ
+---
+{
+ "main.typ": [
+  {
+   "message": "unused import: `b`\nHint: consider removing this unused import",
+   "range": "3:19:3:20",
+   "severity": 4,
+   "source": "typst",
+   "tags": [
+    1
+   ]
+  }
+ ]
+}
diff --git a/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_wildcard_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_wildcard_unused.typ.snap
new file mode 100644
index 000000000..921efa34d
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_alias_wildcard_unused.typ.snap
@@ -0,0 +1,18 @@
+---
+source: crates/tinymist-query/src/analysis.rs
+expression: "JsonRepr::new_redacted(result, &REDACT_LOC)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_wildcard_unused.typ
+---
+{
+ "main.typ": [
+  {
+   "message": "unused import: `b`\nHint: consider removing this unused import",
+   "range": "3:19:3:20",
+   "severity": 4,
+   "source": "typst",
+   "tags": [
+    1
+   ]
+  }
+ ]
+}
diff --git a/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_wildcard_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_wildcard_unused.typ.snap
new file mode 100644
index 000000000..1ef3906c4
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code/snaps/dead_code@duplicate_module_wildcard_unused.typ.snap
@@ -0,0 +1,18 @@
+---
+source: crates/tinymist-query/src/analysis.rs
+expression: "JsonRepr::new_redacted(result, &REDACT_LOC)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_wildcard_unused.typ
+---
+{
+ "main.typ": [
+  {
+   "message": "unused module import\nHint: imported modules should be used or the import should be removed",
+   "range": "3:1:3:18",
+   "severity": 4,
+   "source": "typst",
+   "tags": [
+    1
+   ]
+  }
+ ]
+}
diff --git a/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_unused.typ.snap
new file mode 100644
index 000000000..7e6be9868
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_unused.typ.snap
@@ -0,0 +1,29 @@
+---
+source: crates/tinymist-query/src/code_action.rs
+description: Dead code code actions in /dummy-root/main.typ
+expression: "JsonRepr::new_pure(ordered_entries)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_unused.typ
+---
+[
+ {
+  "actions": [
+   {
+    "edit": {
+     "changes": {
+      "main.typ": [
+       {
+        "insertTextFormat": 1,
+        "newText": "",
+        "range": "3:15:3:20"
+       }
+      ]
+     }
+    },
+    "kind": "quickfix",
+    "title": "Remove unused import"
+   }
+  ],
+  "message": "unused import: `b`\nHint: consider removing this unused import",
+  "range": "3:19:3:20"
+ }
+]
diff --git a/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_wildcard_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_wildcard_unused.typ.snap
new file mode 100644
index 000000000..b602a2686
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_alias_wildcard_unused.typ.snap
@@ -0,0 +1,29 @@
+---
+source: crates/tinymist-query/src/code_action.rs
+description: Dead code code actions in /dummy-root/main.typ
+expression: "JsonRepr::new_pure(ordered_entries)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_alias_wildcard_unused.typ
+---
+[
+ {
+  "actions": [
+   {
+    "edit": {
+     "changes": {
+      "main.typ": [
+       {
+        "insertTextFormat": 1,
+        "newText": "",
+        "range": "3:15:3:20"
+       }
+      ]
+     }
+    },
+    "kind": "quickfix",
+    "title": "Remove unused import"
+   }
+  ],
+  "message": "unused import: `b`\nHint: consider removing this unused import",
+  "range": "3:19:3:20"
+ }
+]
diff --git a/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_wildcard_unused.typ.snap b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_wildcard_unused.typ.snap
new file mode 100644
index 000000000..72e3f207d
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/dead_code_code_action/snaps/run_dead_code_code_action_snapshots@duplicate_module_wildcard_unused.typ.snap
@@ -0,0 +1,29 @@
+---
+source: crates/tinymist-query/src/code_action.rs
+description: Dead code code actions in /dummy-root/main.typ
+expression: "JsonRepr::new_pure(ordered_entries)"
+input_file: crates/tinymist-query/src/fixtures/dead_code/duplicate_module_wildcard_unused.typ
+---
+[
+ {
+  "actions": [
+   {
+    "edit": {
+     "changes": {
+      "main.typ": [
+       {
+        "insertTextFormat": 1,
+        "newText": "",
+        "range": "3:0:4:0"
+       }
+      ]
+     }
+    },
+    "kind": "quickfix",
+    "title": "Remove unused declaration"
+   }
+  ],
+  "message": "unused module import\nHint: imported modules should be used or the import should be removed",
+  "range": "3:1:3:18"
+ }
+]