diff --git a/docs/developer/api/scanner/overview.md b/docs/developer/api/scanner/overview.md
index 7c0780a..3595715 100644
--- a/docs/developer/api/scanner/overview.md
+++ b/docs/developer/api/scanner/overview.md
@@ -32,8 +32,13 @@ The Bookhoard scanner provides comprehensive library management for ebooks, comi
 | PDF      | `.pdf`                   |
 | Kindle   | `.mobi`                  |
 | Text     | `.txt`, `.rtf`           |
-| Document | `.doc`, `.docx`          |
-| Other    | `.lit`, `.fb2`, `.pdb`   |
+| Document | `.docx`                  |
+| Other    | `.fb2`, `.pdb`           |
+
+DOC (Word 97-2003 binary) and LIT (Microsoft Reader) are deliberately
+unsupported: no credible JavaScript parser exists for either, and
+compromising on fidelity is against the project's format goals. Files
+with these extensions are not scanned.
 
 ### Comics
 
diff --git a/docs/developer/api/scanner/scan_library.md b/docs/developer/api/scanner/scan_library.md
index 777eb18..c69eed4 100644
--- a/docs/developer/api/scanner/scan_library.md
+++ b/docs/developer/api/scanner/scan_library.md
@@ -18,7 +18,7 @@ Initiate a one-time scan of a library for ebooks, manga, or comics.
 
 The scanner automatically detects and processes files based on the library type:
 
-**Ebooks:** .epub, .pdf, .mobi, .txt, .rtf, .doc, .docx, .lit, .fb2, .pdb
+**Ebooks:** .epub, .pdf, .mobi, .txt, .rtf, .docx, .fb2, .pdb
 
 **Comics:** .cbz, .cbr, .cb7, .cbt, .pdf
 
diff --git a/internal/services/library_service.go b/internal/services/library_service.go
index 1619606..9746da6 100644
--- a/internal/services/library_service.go
+++ b/internal/services/library_service.go
@@ -30,7 +30,7 @@ const (
 )
 
 var AllowedExtensions = map[string][]string{
-	LibraryTypeEbooks: {".epub", ".pdf", ".mobi", ".azw", ".azw3", ".txt", ".rtf", ".doc", ".docx", ".lit", ".fb2", ".pdb"},
+	LibraryTypeEbooks: {".epub", ".pdf", ".mobi", ".azw", ".azw3", ".txt", ".rtf", ".docx", ".fb2", ".pdb"},
 	LibraryTypeComics: {".cbz", ".cbr", ".cb7", ".cbt", ".epub", ".pdf"},
 	LibraryTypeManga:  {".cbz", ".cbr", ".epub", ".pdf", ".png", ".jpg", ".jpeg", ".gif", ".bmp", ".webp", ".avif", ".tiff", ".tif"},
 }
@@ -59,9 +59,7 @@ var MimeTypes = map[string]string{
 	".azw3": "application/vnd.amazon.ebook",
 	".txt":  "text/plain",
 	".rtf":  "application/rtf",
-	".doc":  "application/msword",
 	".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-	".lit":  "application/x-msreader",
 	".fb2":  "application/x-fictionbook+xml",
 	".pdb":  "application/vnd.palm",
 }
diff --git a/internal/services/media_scanner.go b/internal/services/media_scanner.go
index 8a20567..a962226 100644
--- a/internal/services/media_scanner.go
+++ b/internal/services/media_scanner.go
@@ -662,8 +662,8 @@ func (s *MediaScanner) extractFolderStructureMetadata(path, rootFolder string) *
 
 var bookExtensions = map[string]bool{
 	".epub": true, ".pdf": true, ".mobi": true, ".azw": true, ".azw3": true,
-	".fb2": true, ".txt": true, ".rtf": true, ".doc": true, ".docx": true,
-	".lit": true, ".pdb": true, ".djvu": true,
+	".fb2": true, ".txt": true, ".rtf": true, ".docx": true,
+	".pdb": true, ".djvu": true,
 	".cbz": true, ".cbr": true, ".cb7": true, ".cbt": true,
 }
 
@@ -3873,7 +3873,7 @@ func classifyFormatGroup(ext string, epubIsFixedLayout bool) (formatGroup string
 			return "fixed_layout", false, true
 		}
 		return "reflowable", true, false
-	case ".mobi", ".azw", ".azw3", ".fb2", ".txt", ".docx":
+	case ".mobi", ".azw", ".azw3", ".fb2", ".txt", ".docx", ".rtf", ".pdb":
 		return "reflowable", true, false
 	case ".pdf", ".djvu":
 		return "fixed_layout", false, true
diff --git a/internal/services/media_scanner_test.go b/internal/services/media_scanner_test.go
index 1ea9e47..c97732e 100644
--- a/internal/services/media_scanner_test.go
+++ b/internal/services/media_scanner_test.go
@@ -135,6 +135,8 @@ func TestClassifyFormatGroup(t *testing.T) {
 		{"FB2", ".fb2", false, "reflowable", true, false},
 		{"TXT", ".txt", false, "reflowable", true, false},
 		{"DOCX (was unknown before the fix)", ".docx", false, "reflowable", true, false},
+		{"RTF", ".rtf", false, "reflowable", true, false},
+		{"PDB (PalmDOC)", ".pdb", false, "reflowable", true, false},
 		{"PDF", ".pdf", false, "fixed_layout", false, true},
 		{"DJVU", ".djvu", false, "fixed_layout", false, true},
 		{"CBZ", ".cbz", false, "comic_archive", false, true},
diff --git a/internal/sync/format.go b/internal/sync/format.go
index 7ffd47e..ecd8a83 100644
--- a/internal/sync/format.go
+++ b/internal/sync/format.go
@@ -30,9 +30,7 @@ var mimeTypes = map[string]string{
 	".fb2":  "application/x-fictionbook+xml",
 	".txt":  "text/plain",
 	".rtf":  "application/rtf",
-	".doc":  "application/msword",
 	".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-	".lit":  "application/x-ms-reader",
 	".pdb":  "application/vnd.palm",
 	".prc":  "application/vnd.palm",
 }
@@ -46,9 +44,7 @@ var ReflowableFormats = map[string]bool{
 	".fb2":  true,
 	".txt":  true,
 	".rtf":  true,
-	".doc":  true,
 	".docx": true,
-	".lit":  true,
 	".pdb":  true,
 	".prc":  true,
 }