diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 3dff01ee56..c77583ccff 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1359,6 +1359,8 @@ public final class LauncherInstrumentation {
     }
 
     public int getTotalPssKb() {
+        // GC the system & sysui first before gc'ing launcher
+        logShellCommand("cmd statusbar run-gc");
         return getTestInfo(TestProtocol.REQUEST_TOTAL_PSS_KB).
                 getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }