diff --git a/Cargo.lock b/Cargo.lock
index 5323fe628..d520b6458 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3212,6 +3212,7 @@ dependencies = [
  "data-encoding-macro",
  "dns-lookup",
  "dunce",
+ "itertools 0.8.2",
  "lazy_static",
  "libc",
  "nix 0.23.1",
diff --git a/src/uu/printf/Cargo.toml b/src/uu/printf/Cargo.toml
index 09a5640a8..cfe9aff6f 100644
--- a/src/uu/printf/Cargo.toml
+++ b/src/uu/printf/Cargo.toml
@@ -20,7 +20,7 @@ path = "src/printf.rs"
 [dependencies]
 clap = { version = "2.33", features = ["wrap_help"] }
 itertools = "0.8.0"
-uucore = { version=">=0.0.11", package="uucore", path="../../uucore" }
+uucore = { version=">=0.0.11", package="uucore", path="../../uucore", features=["memo"] }
 uucore_procs = { version=">=0.0.8", package="uucore_procs", path="../../uucore_procs" }
 
 [[bin]]
diff --git a/src/uu/printf/src/mod.rs b/src/uu/printf/src/mod.rs
index 5ed2ecea8..26710c101 100644
--- a/src/uu/printf/src/mod.rs
+++ b/src/uu/printf/src/mod.rs
@@ -1,3 +1 @@
 mod cli;
-mod memo;
-mod tokenize;
diff --git a/src/uu/printf/src/printf.rs b/src/uu/printf/src/printf.rs
index e825fea86..2fb23276a 100644
--- a/src/uu/printf/src/printf.rs
+++ b/src/uu/printf/src/printf.rs
@@ -4,11 +4,9 @@
 
 use clap::{crate_version, App, Arg};
 use uucore::error::{UResult, UUsageError};
+use uucore::memo;
 use uucore::InvalidEncodingHandling;
 
-mod memo;
-mod tokenize;
-
 const VERSION: &str = "version";
 const HELP: &str = "help";
 static LONGHELP_LEAD: &str = "printf
diff --git a/src/uucore/Cargo.toml b/src/uucore/Cargo.toml
index ff064e5fc..555dd60aa 100644
--- a/src/uucore/Cargo.toml
+++ b/src/uucore/Cargo.toml
@@ -21,6 +21,7 @@ dns-lookup = { version="1.0.5", optional=true }
 dunce = "1.0.0"
 wild = "2.0"
 # * optional
+itertools = { version="0.8", optional=true }
 thiserror = { version="1.0", optional=true }
 time = { version="<= 0.1.43", optional=true }
 # * "problem" dependencies (pinned)
@@ -53,6 +54,7 @@ encoding = ["data-encoding", "data-encoding-macro", "z85", "thiserror"]
 entries = ["libc"]
 fs = ["libc", "nix", "winapi-util"]
 fsext = ["libc", "time"]
+memo = ["itertools"]
 mode = ["libc"]
 perms = ["libc", "walkdir"]
 process = ["libc"]
diff --git a/src/uucore/src/lib/features.rs b/src/uucore/src/lib/features.rs
index 546cbea87..999d8af6c 100644
--- a/src/uucore/src/lib/features.rs
+++ b/src/uucore/src/lib/features.rs
@@ -6,8 +6,12 @@ pub mod encoding;
 pub mod fs;
 #[cfg(feature = "fsext")]
 pub mod fsext;
+#[cfg(feature = "memo")]
+pub mod memo;
 #[cfg(feature = "ringbuffer")]
 pub mod ringbuffer;
+#[cfg(feature = "memo")]
+mod tokenize;
 
 // * (platform-specific) feature-gated modules
 // ** non-windows (i.e. Unix + Fuchsia)
diff --git a/src/uu/printf/src/memo.rs b/src/uucore/src/lib/features/memo.rs
similarity index 91%
rename from src/uu/printf/src/memo.rs
rename to src/uucore/src/lib/features/memo.rs
index a87d4fa89..232ead2ae 100644
--- a/src/uu/printf/src/memo.rs
+++ b/src/uucore/src/lib/features/memo.rs
@@ -5,15 +5,14 @@
 //! 2. feeds remaining arguments into function
 //! that prints tokens.
 
+use crate::display::Quotable;
+use crate::features::tokenize::sub::Sub;
+use crate::features::tokenize::token::{Token, Tokenizer};
+use crate::features::tokenize::unescaped_text::UnescapedText;
+use crate::show_warning;
 use itertools::put_back_n;
 use std::iter::Peekable;
 use std::slice::Iter;
-use uucore::display::Quotable;
-use uucore::show_warning;
-
-use crate::tokenize::sub::Sub;
-use crate::tokenize::token::{Token, Tokenizer};
-use crate::tokenize::unescaped_text::UnescapedText;
 
 pub struct Memo {
     tokens: Vec<Box<dyn Token>>,
diff --git a/src/uu/printf/src/tokenize/mod.rs b/src/uucore/src/lib/features/tokenize/mod.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/mod.rs
rename to src/uucore/src/lib/features/tokenize/mod.rs
diff --git a/src/uu/printf/src/tokenize/num_format/format_field.rs b/src/uucore/src/lib/features/tokenize/num_format/format_field.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/format_field.rs
rename to src/uucore/src/lib/features/tokenize/num_format/format_field.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatter.rs b/src/uucore/src/lib/features/tokenize/num_format/formatter.rs
similarity index 97%
rename from src/uu/printf/src/tokenize/num_format/formatter.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatter.rs
index 790c338ae..801e05eb8 100644
--- a/src/uu/printf/src/tokenize/num_format/formatter.rs
+++ b/src/uucore/src/lib/features/tokenize/num_format/formatter.rs
@@ -1,9 +1,9 @@
 //! Primitives used by num_format and sub_modules.
 //! never dealt with above (e.g. Sub Tokenizer never uses these)
 
+use crate::{display::Quotable, show_error};
 use itertools::{put_back_n, PutBackN};
 use std::str::Chars;
-use uucore::{display::Quotable, show_error};
 
 use super::format_field::FormatField;
 
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/base_conv/mod.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/base_conv/mod.rs
similarity index 98%
rename from src/uu/printf/src/tokenize/num_format/formatters/base_conv/mod.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/base_conv/mod.rs
index a20f03a95..076731f3f 100644
--- a/src/uu/printf/src/tokenize/num_format/formatters/base_conv/mod.rs
+++ b/src/uucore/src/lib/features/tokenize/num_format/formatters/base_conv/mod.rs
@@ -32,17 +32,20 @@ pub fn arrnum_int_mult(arr_num: &[u8], basenum: u8, base_ten_int_fact: u8) -> Ve
     ret
 }
 
+#[allow(dead_code)]
 pub struct Remainder<'a> {
     pub position: usize,
     pub replace: Vec<u8>,
     pub arr_num: &'a Vec<u8>,
 }
 
+#[allow(dead_code)]
 pub struct DivOut<'a> {
     pub quotient: u8,
     pub remainder: Remainder<'a>,
 }
 
+#[allow(dead_code)]
 pub fn arrnum_int_div_step(
     rem_in: Remainder,
     radix_in: u8,
@@ -141,6 +144,7 @@ pub fn base_conv_vec(src: &[u8], radix_src: u8, radix_dest: u8) -> Vec<u8> {
     result
 }
 
+#[allow(dead_code)]
 pub fn unsigned_to_arrnum(src: u16) -> Vec<u8> {
     let mut result: Vec<u8> = Vec::new();
     let mut src_tmp: u16 = src;
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/base_conv/tests.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/base_conv/tests.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/base_conv/tests.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/base_conv/tests.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/cninetyninehexfloatf.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/cninetyninehexfloatf.rs
similarity index 98%
rename from src/uu/printf/src/tokenize/num_format/formatters/cninetyninehexfloatf.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/cninetyninehexfloatf.rs
index 0ca993680..68b35c3c1 100644
--- a/src/uu/printf/src/tokenize/num_format/formatters/cninetyninehexfloatf.rs
+++ b/src/uucore/src/lib/features/tokenize/num_format/formatters/cninetyninehexfloatf.rs
@@ -9,6 +9,7 @@ use super::base_conv::RadixDef;
 use super::float_common::{primitive_to_str_common, FloatAnalysis};
 
 pub struct CninetyNineHexFloatf {
+    #[allow(dead_code)]
     as_num: f64,
 }
 impl CninetyNineHexFloatf {
@@ -91,6 +92,7 @@ fn get_primitive_hex(
     }
 }
 
+#[allow(dead_code)]
 fn to_hex(src: &str, before_decimal: bool) -> String {
     let radix_ten = base_conv::RadixTen;
     let radix_hex = base_conv::RadixHex;
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/decf.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/decf.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/decf.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/decf.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/float_common.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/float_common.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/float_common.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/float_common.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/floatf.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/floatf.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/floatf.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/floatf.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/intf.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/intf.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/intf.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/intf.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/mod.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/mod.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/mod.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/mod.rs
diff --git a/src/uu/printf/src/tokenize/num_format/formatters/scif.rs b/src/uucore/src/lib/features/tokenize/num_format/formatters/scif.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/formatters/scif.rs
rename to src/uucore/src/lib/features/tokenize/num_format/formatters/scif.rs
diff --git a/src/uu/printf/src/tokenize/num_format/mod.rs b/src/uucore/src/lib/features/tokenize/num_format/mod.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/num_format/mod.rs
rename to src/uucore/src/lib/features/tokenize/num_format/mod.rs
diff --git a/src/uu/printf/src/tokenize/num_format/num_format.rs b/src/uucore/src/lib/features/tokenize/num_format/num_format.rs
similarity index 99%
rename from src/uu/printf/src/tokenize/num_format/num_format.rs
rename to src/uucore/src/lib/features/tokenize/num_format/num_format.rs
index a9fee58e1..0e184fb6f 100644
--- a/src/uu/printf/src/tokenize/num_format/num_format.rs
+++ b/src/uucore/src/lib/features/tokenize/num_format/num_format.rs
@@ -7,8 +7,8 @@
 use std::env;
 use std::vec::Vec;
 
-use uucore::display::Quotable;
-use uucore::{show_error, show_warning};
+use crate::display::Quotable;
+use crate::{show_error, show_warning};
 
 use super::format_field::{FieldType, FormatField};
 use super::formatter::{Base, FormatPrimitive, Formatter, InitialPrefix};
diff --git a/src/uu/printf/src/tokenize/sub.rs b/src/uucore/src/lib/features/tokenize/sub.rs
similarity index 99%
rename from src/uu/printf/src/tokenize/sub.rs
rename to src/uucore/src/lib/features/tokenize/sub.rs
index 3a2165bb3..c869a3564 100644
--- a/src/uu/printf/src/tokenize/sub.rs
+++ b/src/uucore/src/lib/features/tokenize/sub.rs
@@ -5,12 +5,12 @@
 //! it is created by Sub's implementation of the Tokenizer trait
 //! Subs which have numeric field chars make use of the num_format
 //! submodule
+use crate::show_error;
 use itertools::{put_back_n, PutBackN};
 use std::iter::Peekable;
 use std::process::exit;
 use std::slice::Iter;
 use std::str::Chars;
-use uucore::show_error;
 // use std::collections::HashSet;
 
 use super::num_format::format_field::{FieldType, FormatField};
diff --git a/src/uu/printf/src/tokenize/token.rs b/src/uucore/src/lib/features/tokenize/token.rs
similarity index 100%
rename from src/uu/printf/src/tokenize/token.rs
rename to src/uucore/src/lib/features/tokenize/token.rs
diff --git a/src/uu/printf/src/tokenize/unescaped_text.rs b/src/uucore/src/lib/features/tokenize/unescaped_text.rs
similarity index 99%
rename from src/uu/printf/src/tokenize/unescaped_text.rs
rename to src/uucore/src/lib/features/tokenize/unescaped_text.rs
index d70ad853c..ffbcd4afe 100644
--- a/src/uu/printf/src/tokenize/unescaped_text.rs
+++ b/src/uucore/src/lib/features/tokenize/unescaped_text.rs
@@ -3,7 +3,7 @@
 //! and escaped character literals (of allowed escapes),
 //! into an unescaped text byte array
 
-// spell-checker:ignore (ToDO) retval hexchars octals printf's bvec vals coreutil addchar eval bytecode
+// spell-checker:ignore (ToDO) retval hexchars octals printf's bvec vals coreutil addchar eval bytecode bslice
 
 use itertools::PutBackN;
 use std::char::from_u32;
diff --git a/src/uucore/src/lib/lib.rs b/src/uucore/src/lib/lib.rs
index 2f8ccce13..7a5ca66cb 100644
--- a/src/uucore/src/lib/lib.rs
+++ b/src/uucore/src/lib/lib.rs
@@ -36,6 +36,8 @@ pub use crate::features::encoding;
 pub use crate::features::fs;
 #[cfg(feature = "fsext")]
 pub use crate::features::fsext;
+#[cfg(feature = "memo")]
+pub use crate::features::memo;
 #[cfg(feature = "ringbuffer")]
 pub use crate::features::ringbuffer;