diff --git a/phpinspect-index.el b/phpinspect-index.el
index 502b786..a806829 100644
--- a/phpinspect-index.el
+++ b/phpinspect-index.el
@@ -349,6 +349,10 @@ SCOPE should be a scope token (`phpinspect-scope-p')."
              (setq comment-before token))
 
             ;; Prevent comments from sticking around too long
+            ((and (phpinspect-use-p token) (phpinspect-word-p (cadr token)))
+             ;; FIXME: Actually implement indexation of trait usage. This just
+             ;; marks the type as used for now.
+             (push (cadadr token) used-types))
             (t
              (phpinspect--log "Unsetting comment-before")
              (setq comment-before nil))))
diff --git a/test/test-index.el b/test/test-index.el
index 81abf76..4e9c0b5 100644
--- a/test/test-index.el
+++ b/test/test-index.el
@@ -89,6 +89,8 @@
                   (phpinspect-parse-string
                    "<?php namespace Field; class Potato extends Cheese, Bacon implements Ham, Bagel {
 
+use UsedTrait;
+
 private PropertyType $property;
 
 public function makeThing(): Thing
@@ -110,7 +112,7 @@ if ($param instanceof InstanceOffed) {
                       (copy-sequence
                        '("Cheese" "Bacon" "Ham" "Bagel" "Monkey" "ExtendedThing"
                          "StaticThing" "Thing" "ThingFactory" "Potato" "OtherThing"
-                         "InnerFunctionParam" "PropertyType" "InstanceOffed" "NestedArray"))
+                         "InnerFunctionParam" "PropertyType" "InstanceOffed" "NestedArray" "UsedTrait"))
                       #'string<))
              (sort used-types (lambda (s1 s2) (string< (phpinspect-name-string s1) (phpinspect-name-string s2))))))))