diff --git a/Userland/Utilities/killall.cpp b/Userland/Utilities/killall.cpp
index 80668b1165f..013090e91be 100644
--- a/Userland/Utilities/killall.cpp
+++ b/Userland/Utilities/killall.cpp
@@ -6,7 +6,6 @@
  */
 
 #include <AK/CharacterTypes.h>
-#include <AK/DeprecatedString.h>
 #include <LibCore/ProcessStatisticsReader.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
@@ -20,7 +19,7 @@ static void print_usage_and_exit()
     exit(1);
 }
 
-static ErrorOr<int> kill_all(DeprecatedString const& process_name, unsigned const signum)
+static ErrorOr<int> kill_all(StringView process_name, unsigned const signum)
 {
     auto all_processes = TRY(Core::ProcessStatisticsReader::get_all());
 
@@ -56,7 +55,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         }
 
         if (!number.has_value())
-            number = DeprecatedString(&arguments.argv[1][1]).to_uint();
+            number = arguments.strings[1].substring_view(1).to_uint();
 
         if (!number.has_value()) {
             warnln("'{}' is not a valid signal name or number", &arguments.argv[1][1]);