diff --git a/src/cascadia/TerminalSettingsModel/ActionArgs.h b/src/cascadia/TerminalSettingsModel/ActionArgs.h
index 929a4cfaab..de35fe1f0c 100644
--- a/src/cascadia/TerminalSettingsModel/ActionArgs.h
+++ b/src/cascadia/TerminalSettingsModel/ActionArgs.h
@@ -636,17 +636,6 @@ namespace winrt::Microsoft::Terminal::Settings::Model::implementation
             h.write(ContentArgs());
             return h.finalize();
         }
-        uint32_t GetArgCount()
-        {
-            if (_ContentArgs)
-            {
-                if (const auto newTermArgs = _ContentArgs.try_as<NewTerminalArgs>())
-                {
-                    return newTermArgs->GetArgCount();
-                }
-            }
-            return 0;
-        }
         winrt::Windows::Foundation::Collections::IVectorView<ArgDescriptor> GetArgDescriptors()
         {
             if (_ContentArgs)
@@ -766,10 +755,6 @@ namespace winrt::Microsoft::Terminal::Settings::Model::implementation
             h.write(SplitSize());
             return h.finalize();
         }
-        uint32_t GetArgCount()
-        {
-            return gsl::narrow<uint32_t>(GetArgDescriptors().Size());
-        }
         winrt::Windows::Foundation::Collections::IVectorView<Model::ArgDescriptor> GetArgDescriptors()
         {
             static const auto thisArgs = INIT_ARG_DESCRIPTORS(SPLIT_PANE_ARGS);
@@ -874,17 +859,6 @@ namespace winrt::Microsoft::Terminal::Settings::Model::implementation
             h.write(ContentArgs());
             return h.finalize();
         }
-        uint32_t GetArgCount()
-        {
-            if (_ContentArgs)
-            {
-                if (const auto newTermArgs = _ContentArgs.try_as<NewTerminalArgs>())
-                {
-                    return newTermArgs->GetArgCount();
-                }
-            }
-            return 0;
-        }
         winrt::Windows::Foundation::Collections::IVectorView<Model::ArgDescriptor> GetArgDescriptors()
         {
             return _ContentArgs.as<NewTerminalArgs>()->GetArgDescriptors();
@@ -1037,10 +1011,6 @@ namespace winrt::Microsoft::Terminal::Settings::Model::implementation
             h.write(winrt::get_abi(_Actions));
             return h.finalize();
         }
-        uint32_t GetArgCount()
-        {
-            return _Actions.Size();
-        }
         winrt::Windows::Foundation::Collections::IVectorView<Model::ArgDescriptor> GetArgDescriptors()
         {
             return {};
diff --git a/src/cascadia/TerminalSettingsModel/ActionArgs.idl b/src/cascadia/TerminalSettingsModel/ActionArgs.idl
index 7012343199..a58e95c6cb 100644
--- a/src/cascadia/TerminalSettingsModel/ActionArgs.idl
+++ b/src/cascadia/TerminalSettingsModel/ActionArgs.idl
@@ -23,7 +23,6 @@ namespace Microsoft.Terminal.Settings.Model
 
     interface IActionArgsDescriptorAccess
     {
-        UInt32 GetArgCount();
         Windows.Foundation.Collections.IVectorView<ArgDescriptor> GetArgDescriptors();
         IInspectable GetArgAt(UInt32 index);
         void SetArgAt(UInt32 index, Object value);
diff --git a/src/cascadia/TerminalSettingsModel/ActionArgsMagic.h b/src/cascadia/TerminalSettingsModel/ActionArgsMagic.h
index 0f99729a50..5fad7eb286 100644
--- a/src/cascadia/TerminalSettingsModel/ActionArgsMagic.h
+++ b/src/cascadia/TerminalSettingsModel/ActionArgsMagic.h
@@ -217,10 +217,6 @@ public:
         argsMacro(HASH_ARGS);                                                                     \
         return h.finalize();                                                                      \
     }                                                                                             \
-    uint32_t GetArgCount()                                                                        \
-    {                                                                                             \
-        return gsl::narrow<uint32_t>(GetArgDescriptors().Size());                                 \
-    }                                                                                             \
     winrt::Windows::Foundation::Collections::IVectorView<ArgDescriptor> GetArgDescriptors()       \
     {                                                                                             \
         static const auto descriptors = INIT_ARG_DESCRIPTORS(argsMacro);                          \
@@ -249,10 +245,6 @@ private:
     InitListPlaceholder _placeholder;                                                       \
                                                                                             \
 public:                                                                                     \
-    uint32_t GetArgCount()                                                                  \
-    {                                                                                       \
-        return gsl::narrow<uint32_t>(GetArgDescriptors().Size());                           \
-    }                                                                                       \
     winrt::Windows::Foundation::Collections::IVectorView<ArgDescriptor> GetArgDescriptors() \
     {                                                                                       \
         static const auto descriptors = INIT_ARG_DESCRIPTORS(argsMacro);                    \