diff --git a/src/kaleidoscope/Runtime.cpp b/src/kaleidoscope/Runtime.cpp
index 4cb790b3..4e06f577 100644
--- a/src/kaleidoscope/Runtime.cpp
+++ b/src/kaleidoscope/Runtime.cpp
@@ -21,7 +21,6 @@
 namespace kaleidoscope {
 
 uint32_t Runtime_::millis_at_cycle_start_;
-Key Runtime_::active_keys_[kaleidoscope_internal::device.numKeys()];
 
 Runtime_::Runtime_(void) {
 }
@@ -43,10 +42,6 @@ Runtime_::setup(void) {
 
   device().setup();
 
-  // Clear the active keys array (all keys idle at start)
-  for (auto key_addr : KeyAddr::all()) {
-    updateActiveKey(key_addr, Key_Transparent);
-  }
 
   Layer.setup();
 }
diff --git a/src/kaleidoscope/Runtime.h b/src/kaleidoscope/Runtime.h
index deb4021b..7a4c0218 100644
--- a/src/kaleidoscope/Runtime.h
+++ b/src/kaleidoscope/Runtime.h
@@ -128,16 +128,8 @@ class Runtime_ {
     return kaleidoscope::Hooks::onFocusEvent(command);
   }
 
-  static Key activeKey(KeyAddr key_addr) {
-    return active_keys_[key_addr.toInt()];
-  }
-  static void updateActiveKey(KeyAddr key_addr, Key key) {
-    active_keys_[key_addr.toInt()] = key;
-  }
-
  private:
   static uint32_t millis_at_cycle_start_;
-  static Key active_keys_[kaleidoscope_internal::device.numKeys()];
 };
 
 extern kaleidoscope::Runtime_ Runtime;
diff --git a/src/kaleidoscope/key_events.cpp b/src/kaleidoscope/key_events.cpp
index 6f7ce5f3..f6198877 100644
--- a/src/kaleidoscope/key_events.cpp
+++ b/src/kaleidoscope/key_events.cpp
@@ -123,9 +123,9 @@ void handleKeyswitchEvent(Key mappedKey, KeyAddr key_addr, uint8_t keyState) {
   // Update the active keys cache if the key toggled on or off.
   if (key_addr.isValid()) {
     if (keyToggledOn(keyState)) {
-      Runtime.updateActiveKey(key_addr, mappedKey);
+      Layer.updateLiveKeymap(key_addr, mappedKey);
     } else if (keyToggledOff(keyState)) {
-      Runtime.updateActiveKey(key_addr, Key_Transparent);
+      Layer.updateLiveKeymap(key_addr, Key_Transparent);
     }
   }
 
diff --git a/src/kaleidoscope/layers.cpp b/src/kaleidoscope/layers.cpp
index 2ada0ffd..fdbafb8b 100644
--- a/src/kaleidoscope/layers.cpp
+++ b/src/kaleidoscope/layers.cpp
@@ -42,17 +42,27 @@ uint32_t Layer_::layer_state_;
 uint8_t Layer_::active_layer_count_ = 1;
 int8_t Layer_::active_layers_[31];
 
+Key Layer_::live_keymap_[Runtime.device().numKeys()];
 uint8_t Layer_::active_layer_keymap_[Runtime.device().numKeys()];
 Layer_::GetKeyFunction Layer_::getKey = &Layer_::getKeyFromPROGMEM;
 
+
+
+
 void Layer_::setup() {
   // Explicitly set layer 0's state to 1
   bitSet(layer_state_, 0);
 
   // Update the active layer cache (every entry will be `0` to start)
   Layer.updateActiveLayers();
+
+  Layer.setupLiveKeymap();
+
+
 }
 
+
+
 void Layer_::handleKeymapKeyswitchEvent(Key keymapEntry, uint8_t keyState) {
   if (keymapEntry.getKeyCode() >= LAYER_MOVE_OFFSET) {
     if (keyToggledOn(keyState)) {
@@ -119,15 +129,7 @@ Key Layer_::getKeyFromPROGMEM(uint8_t layer, KeyAddr key_addr) {
 }
 
 // Deprecated
-void Layer_::updateLiveCompositeKeymap(KeyAddr key_addr) {
-  // We could update the active keys cache here (as commented below), but I
-  // think that's unlikely to serve whatever purpose the caller had in
-  // mind. `Layer.lookup()` will still give the correct result, and without a
-  // `Key` value is specified, this function no longer serves a purpose.
-
-  // int8_t layer = active_layer_keymap_[key_addr.toInt()];
-  // Runtime.updateActiveKey(key_addr, (*getKey)(layer, key_addr));
-}
+void Layer_::updateLiveCompositeKeymap(KeyAddr key_addr) { }
 
 void Layer_::updateActiveLayers(void) {
   memset(active_layer_keymap_, 0, Runtime.device().numKeys());
@@ -233,6 +235,25 @@ void Layer_::forEachActiveLayer(forEachHandler h) {
   }
 }
 
+
+void Layer_::setupLiveKeymap() {
+  // Clear the active keys array (all keys idle at start)
+  for (auto key_addr : KeyAddr::all()) {
+    Layer.updateLiveKeymap(key_addr, Key_Transparent);
+  }
+
+
+}
+Key Layer_::lookupOnLiveKeymap(KeyAddr key_addr) {
+    return live_keymap_[key_addr.toInt()];
+  }
+void Layer_::updateLiveKeymap(KeyAddr key_addr, Key key) {
+    live_keymap_[key_addr.toInt()] = key;
+}
+
+
+
+
 }
 
 kaleidoscope::Layer_ Layer;
diff --git a/src/kaleidoscope/layers.h b/src/kaleidoscope/layers.h
index 5e6ba05a..cba18b45 100644
--- a/src/kaleidoscope/layers.h
+++ b/src/kaleidoscope/layers.h
@@ -20,7 +20,6 @@
 #include "kaleidoscope/key_defs.h"
 #include "kaleidoscope/keymaps.h"
 #include "kaleidoscope/device/device.h"
-#include "kaleidoscope/Runtime.h"
 #include "kaleidoscope_internal/device.h"
 #include "kaleidoscope_internal/sketch_exploration/sketch_exploration.h"
 #include "kaleidoscope_internal/shortname.h"
@@ -53,7 +52,7 @@ class Layer_ {
   Layer_() {}
 
   void setup();
-
+  
   /* There are two lookup functions, because we have two caches, and different
    * parts of the firmware will want to use either this or that (or perhaps
    * both, in rare cases).
@@ -85,17 +84,22 @@ class Layer_ {
    */
   static Key lookup(KeyAddr key_addr) {
     // First check the active keys array
-    Key key = Runtime.activeKey(key_addr);
+    Key key = lookupOnLiveKeymap(key_addr);
     // If that entry is clear, look up the entry from the active keymap layers
     if (key == Key_Transparent) {
       key = lookupOnActiveLayer(key_addr);
     }
     return key;
   }
+
+
+  static Key lookupOnLiveKeymap(KeyAddr key_addr);
+
   static Key lookupOnActiveLayer(KeyAddr key_addr) {
     uint8_t layer = active_layer_keymap_[key_addr.toInt()];
     return (*getKey)(layer, key_addr);
   }
+
   static uint8_t lookupActiveLayer(KeyAddr key_addr) {
     return active_layer_keymap_[key_addr.toInt()];
   }
@@ -133,13 +137,19 @@ class Layer_ {
 
   DEPRECATED(LAYER_UPDATELIVECOMPOSITEKEYMAP)
   static void updateLiveCompositeKeymap(KeyAddr key_addr, Key mappedKey) {
-    Runtime.updateActiveKey(key_addr, mappedKey);
+    updateLiveKeymap(key_addr, mappedKey);
   }
   DEPRECATED(LAYER_UPDATELIVECOMPOSITEKEYMAP)
   static void updateLiveCompositeKeymap(KeyAddr key_addr);
+
+
   static void updateActiveLayers(void);
 
+  static void updateLiveKeymap(KeyAddr key_addr, Key key);
+
+
  private:
+  static void setupLiveKeymap();
   using forEachHandler = void(*)(uint8_t index, uint8_t layer);
 
  public:
@@ -149,7 +159,10 @@ class Layer_ {
   static uint32_t layer_state_;
   static uint8_t active_layer_count_;
   static int8_t active_layers_[31];
+  static Key live_keymap_[kaleidoscope_internal::device.numKeys()];
   static uint8_t active_layer_keymap_[kaleidoscope_internal::device.numKeys()];
+
+
 };
 }
 
diff --git a/src/kaleidoscope/plugin/ShapeShifter.cpp b/src/kaleidoscope/plugin/ShapeShifter.cpp
index b2058daa..aa3e9f9e 100644
--- a/src/kaleidoscope/plugin/ShapeShifter.cpp
+++ b/src/kaleidoscope/plugin/ShapeShifter.cpp
@@ -17,6 +17,7 @@
 
 #include <Kaleidoscope-ShapeShifter.h>
 #include "kaleidoscope/keyswitch_state.h"
+#include "kaleidoscope/layers.h"
 
 namespace kaleidoscope {
 namespace plugin {
@@ -50,7 +51,7 @@ EventHandlerResult ShapeShifter::onKeyswitchEvent(Key &mapped_key, KeyAddr key_a
   bool shift_detected = false;
 
   for (KeyAddr k : KeyAddr::all()) {
-    if (Runtime.activeKey(k).isKeyboardShift())
+    if (Layer.lookupOnLiveKeymap(k).isKeyboardShift())
       shift_detected = true;
   }
   if (! shift_detected)
diff --git a/src/kaleidoscope/plugin/TapDance.cpp b/src/kaleidoscope/plugin/TapDance.cpp
index 829080e5..0f044fa3 100644
--- a/src/kaleidoscope/plugin/TapDance.cpp
+++ b/src/kaleidoscope/plugin/TapDance.cpp
@@ -46,7 +46,7 @@ void TapDance::actionKeys(uint8_t tap_count,
       break;
     {
       KeyAddr td_addr = event_queue_.addr(0);
-      bool key_released = (Runtime.activeKey(td_addr) == Key_Transparent);
+      bool key_released = (Layer.lookupOnLiveKeymap(td_addr) == Key_Transparent);
       handleKeyswitchEvent(key, td_addr, IS_PRESSED | INJECTED);
       if (key_released)
         release_addr_ = td_addr;