diff --git a/js/public/Printer.h b/js/public/Printer.h
index a1402e831657..41e7641de6f1 100644
--- a/js/public/Printer.h
+++ b/js/public/Printer.h
@@ -52,18 +52,6 @@ class JS_PUBLIC_API GenericPrinter {
     MOZ_CRASH("Use an EscapePrinter to handle all characters");
   }
 
-  virtual void putAsciiPrintable(mozilla::Span<const JS::Latin1Char> str);
-  virtual void putAsciiPrintable(mozilla::Span<const char16_t> str);
-
-  inline void putAsciiPrintable(const char c) {
-    MOZ_ASSERT(IsAsciiPrintable(c));
-    putChar(c);
-  }
-  inline void putAsciiPrintable(const char16_t c) {
-    MOZ_ASSERT(IsAsciiPrintable(c));
-    putChar(char(c));
-  }
-
   virtual void putString(JSContext* cx, JSString* str);
 
   // Prints a formatted string into the buffer.
diff --git a/js/src/vm/Printer.cpp b/js/src/vm/Printer.cpp
index 3d503efcbdb0..9af26eb4fbd3 100644
--- a/js/src/vm/Printer.cpp
+++ b/js/src/vm/Printer.cpp
@@ -61,25 +61,6 @@ void GenericPrinter::put(mozilla::Span<const char16_t> str) {
   }
 }
 
-void GenericPrinter::putAsciiPrintable(
-    mozilla::Span<const JS::Latin1Char> str) {
-  if (!str.Length()) {
-    return;
-  }
-#ifdef DEBUG
-  for (char c: str) {
-    MOZ_ASSERT(IsAsciiPrintable(c));
-  }
-#endif
-  put(reinterpret_cast<const char*>(&str[0]), str.Length());
-}
-
-void GenericPrinter::putAsciiPrintable(mozilla::Span<const char16_t> str) {
-  for (char16_t c: str) {
-    putAsciiPrintable(c);
-  }
-}
-
 void GenericPrinter::putString(JSContext* cx, JSString* str) {
   StringSegmentRange iter(cx);
   if (!iter.init(str)) {