diff --git a/Kernel/FileSystem/ProcFS.cpp b/Kernel/FileSystem/ProcFS.cpp
index 5ffcb265cf..e38ccf1002 100644
--- a/Kernel/FileSystem/ProcFS.cpp
+++ b/Kernel/FileSystem/ProcFS.cpp
@@ -585,7 +585,6 @@ ByteBuffer procfs$all(InodeIdentifier)
     InterruptDisabler disabler;
     auto processes = Process::all_processes();
     JsonArray array;
-    StringBuilder builder(processes.size() * 80);
     auto build_process = [&](const Process& process) {
         JsonObject process_object;
         process_object.set("pid", process.pid());