diff --git a/scripts/source/loading/initilize_files.sh b/scripts/source/loading/initilize_files.sh
index 2b80528..a5db116 100755
--- a/scripts/source/loading/initilize_files.sh
+++ b/scripts/source/loading/initilize_files.sh
@@ -16,8 +16,14 @@ sourceInitilize()
 
     # Check if the directory exists
     if [ -d "$file_list_directory" ]; then
-        # Use find to get a list of all files (excluding directories) in the directory and its subdirectories
-        local file_list=$(find "$file_list_directory" -type f -name "*.sh")
+        # Use find to get a list of all files (excluding directories) in the
+        # directory and its subdirectories. The function_manifest.sh file is
+        # excluded — it carries ~860 stub function definitions (~50 ms parse
+        # cost) that are only needed in lazy mode, where it's sourced
+        # explicitly. Including it here makes every eager-mode invocation pay
+        # for lazy infrastructure it never uses.
+        local file_list=$(find "$file_list_directory" -type f -name "*.sh" \
+            ! -name "function_manifest.sh")
 
         # Loop through each file in the file list
         while IFS= read -r file; do