diff --git a/lib/layout-helpers.sh b/lib/layout-helpers.sh
index b293f3b..91d823c 100644
--- a/lib/layout-helpers.sh
+++ b/lib/layout-helpers.sh
@@ -162,3 +162,27 @@ finalize_and_go_to_session() {
     __go_to_session
   fi
 }
+
+
+#
+# Internal functions
+#
+
+# Expands given path.
+#
+# Example:
+#
+#   $ __expand_path "~/Projects"
+#   /Users/jimeh/Projects
+#
+__expand_path() {
+  echo $(eval echo "$@")
+}
+
+__go_to_session() {
+  if [ -z $TMUX ]; then
+    tmux -u attach-session -t "$session"
+  else
+    tmux -u switch-client -t "$session"
+  fi
+}
diff --git a/runtime.sh b/runtime.sh
index c7342d5..7666b44 100644
--- a/runtime.sh
+++ b/runtime.sh
@@ -10,27 +10,3 @@ session_root="$HOME"
 
 # Load layout helper functions.
 source "$TMUXIFIER/lib/layout-helpers.sh"
-
-
-#
-# Internal functions
-#
-
-# Expands given path.
-#
-# Example:
-#
-#   $ __expand_path "~/Projects"
-#   /Users/jimeh/Projects
-#
-__expand_path() {
-  echo $(eval echo "$@")
-}
-
-__go_to_session() {
-  if [ -z $TMUX ]; then
-    tmux -u attach-session -t "$session"
-  else
-    tmux -u switch-client -t "$session"
-  fi
-}