diff --git a/ion/Makefile b/ion/Makefile
index 6efea82b8..c49f13277 100644
--- a/ion/Makefile
+++ b/ion/Makefile
@@ -10,6 +10,8 @@ ifndef ION_KEYBOARD_LAYOUT
   $(error platform.mak should define ION_KEYBOARD_LAYOUT)
 endif
 SFLAGS += -Iion/include/ion/keyboard/$(ION_KEYBOARD_LAYOUT)
+SFLAGS += -Iion/include/ion/keyboard/
+ion_src += ion/src/shared/keyboard/$(ION_KEYBOARD_LAYOUT)/layout_events.cpp
 
 include ion/src/$(PLATFORM)/Makefile
 -include ion/test/$(PLATFORM)/Makefile
diff --git a/ion/include/ion/keyboard/layout_events.h b/ion/include/ion/keyboard/layout_events.h
new file mode 100644
index 000000000..21cdaeed0
--- /dev/null
+++ b/ion/include/ion/keyboard/layout_events.h
@@ -0,0 +1,24 @@
+#ifndef ION_KEYBOARD_LAYOUT_EVENTS_H
+#define ION_KEYBOARD_LAYOUT_EVENTS_H
+
+#include <ion/events.h>
+#include <ion/unicode/code_point.h>
+#include "event_data.h"
+
+namespace Ion {
+namespace Events {
+
+extern const EventData s_dataForEvent[4*Event::PageSize];
+
+#ifndef NDEBUG
+extern const const char * s_nameForEvent[255];
+
+inline const char * Event::name() const {
+  return s_nameForEvent[m_id];
+}
+#endif
+
+}
+}
+
+#endif
diff --git a/ion/include/ion/keyboard/layout_B2/layout_events.h b/ion/src/shared/keyboard/layout_B2/layout_events.cpp
similarity index 91%
rename from ion/include/ion/keyboard/layout_B2/layout_events.h
rename to ion/src/shared/keyboard/layout_B2/layout_events.cpp
index d0621d3d6..24518533e 100644
--- a/ion/include/ion/keyboard/layout_B2/layout_events.h
+++ b/ion/src/shared/keyboard/layout_B2/layout_events.cpp
@@ -1,14 +1,10 @@
-#ifndef ION_KEYBOARD_LAYOUT_B2_EVENTS_H
-#define ION_KEYBOARD_LAYOUT_B2_EVENTS_H
-
-#include <ion/unicode/code_point.h>
-#include "../event_data.h"
+#include <layout_events.h>
 
 namespace Ion {
 namespace Events {
 
 static_assert('\x11' == UCodePointEmpty, "Unicode error");
-static constexpr EventData s_dataForEvent[4*Event::PageSize] = {
+const EventData s_dataForEvent[4 * Event::PageSize] = {
 // Plain
   TL(), TL(), TL(), TL(), TL(), TL(),
   TL(), TL(), U(), U(),  U(),  U(),
@@ -53,7 +49,7 @@ static constexpr EventData s_dataForEvent[4*Event::PageSize] = {
 
 #ifndef NDEBUG
 
-static constexpr const char * s_nameForEvent[255] = {
+const char * s_nameForEvent[255] = {
  // Plain
   "Left", "Up", "Down", "Right", "OK", "Back",
   "Home", "OnOff", nullptr, nullptr, nullptr, nullptr,
@@ -97,13 +93,7 @@ static constexpr const char * s_nameForEvent[255] = {
   "None", "Termination", nullptr, nullptr, nullptr, nullptr,
 };
 
-inline const char * Event::name() const {
-  return s_nameForEvent[m_id];
-}
-
 #endif
 
 }
 }
-
-#endif
diff --git a/ion/include/ion/keyboard/layout_B3/layout_events.h b/ion/src/shared/keyboard/layout_B3/layout_events.cpp
similarity index 91%
rename from ion/include/ion/keyboard/layout_B3/layout_events.h
rename to ion/src/shared/keyboard/layout_B3/layout_events.cpp
index 0bdd59e56..6133c5787 100644
--- a/ion/include/ion/keyboard/layout_B3/layout_events.h
+++ b/ion/src/shared/keyboard/layout_B3/layout_events.cpp
@@ -1,14 +1,10 @@
-#ifndef ION_KEYBOARD_LAYOUT_B3_EVENTS_H
-#define ION_KEYBOARD_LAYOUT_B3_EVENTS_H
-
-#include <ion/unicode/code_point.h>
-#include "../event_data.h"
+#include <layout_events.h>
 
 namespace Ion {
 namespace Events {
 
 static_assert('\x11' == UCodePointEmpty, "Unicode error");
-static constexpr EventData s_dataForEvent[4*Event::PageSize] = {
+const EventData s_dataForEvent[4 * Event::PageSize] = {
 // Plain
   TL(), TL(), TL(), TL(), TL(), TL(),
   TL(), U(), TL(), U(),  U(),  U(),
@@ -53,7 +49,7 @@ static constexpr EventData s_dataForEvent[4*Event::PageSize] = {
 
 #ifndef NDEBUG
 
-static constexpr const char * s_nameForEvent[255] = {
+const char * s_nameForEvent[255] = {
  // Plain
   "Left", "Up", "Down", "Right", "OK", "Back",
   "Home", "nullptr", "OnOff", nullptr, nullptr, nullptr,
@@ -97,13 +93,7 @@ static constexpr const char * s_nameForEvent[255] = {
   "None", "Termination", nullptr, nullptr, nullptr, nullptr,
 };
 
-inline const char * Event::name() const {
-  return s_nameForEvent[m_id];
-}
-
 #endif
 
 }
 }
-
-#endif