diff --git a/KeyUtil.cpp b/KeyUtil.cpp
index 4d507a1..fe0f3cb 100644
--- a/KeyUtil.cpp
+++ b/KeyUtil.cpp
@@ -111,13 +111,6 @@ bool installKey(const std::string& key, std::string* raw_ref) {
     LOG(DEBUG) << "Added key " << key_id << " (" << ref << ") to keyring " << device_keyring
                << " in process " << getpid();
 
-    // *TODO* Remove this code when kernel is fixed - see b/28373400
-    // Kernel preserves caches across a key insertion with ext4ice, which leads
-    // to contradictory dirents
-    if (!android::base::WriteStringToFile("3", "/proc/sys/vm/drop_caches")) {
-        PLOG(ERROR) << "Failed to drop_caches";
-    }
-
     return true;
 }