diff --git a/src/Compiler/Driver/CompilerOptions.fs b/src/Compiler/Driver/CompilerOptions.fs
index 15abdfb5106..82a5df7242b 100644
--- a/src/Compiler/Driver/CompilerOptions.fs
+++ b/src/Compiler/Driver/CompilerOptions.fs
@@ -1770,13 +1770,31 @@ let compilingFsLibFlag (tcConfigB: TcConfigBuilder) =
     )
 
 let compilingFsLib20Flag =
-    CompilerOption("compiling-fslib-20", tagNone, OptionString(fun _ -> ()), None, None)
+    CompilerOption(
+        "compiling-fslib-20",
+        tagNone,
+        OptionString(fun _ -> ()),
+        Some(DeprecatedCommandLineOptionNoDescription("--compiling-fslib-20", rangeCmdArgs)),
+        None
+    )
 
 let compilingFsLib40Flag =
-    CompilerOption("compiling-fslib-40", tagNone, OptionUnit(fun () -> ()), None, None)
+    CompilerOption(
+        "compiling-fslib-40",
+        tagNone,
+        OptionUnit(fun () -> ()),
+        Some(DeprecatedCommandLineOptionNoDescription("--compiling-fslib-40", rangeCmdArgs)),
+        None
+    )
 
 let compilingFsLibNoBigIntFlag =
-    CompilerOption("compiling-fslib-nobigint", tagNone, OptionUnit(fun () -> ()), None, None)
+    CompilerOption(
+        "compiling-fslib-nobigint",
+        tagNone,
+        OptionUnit(fun () -> ()),
+        Some(DeprecatedCommandLineOptionNoDescription("compiling-fslib-nobigint", rangeCmdArgs)),
+        None
+    )
 
 let mlKeywordsFlag =
     CompilerOption(