diff --git a/src/cli/term2.rs b/src/cli/term2.rs
index 3fb22e8630..f522282a42 100644
--- a/src/cli/term2.rs
+++ b/src/cli/term2.rs
@@ -103,11 +103,11 @@ mod termhack {
 // - Disable all terminal controls on non-tty's
 // - Swallow errors when we try to use features a terminal doesn't have
 //   such as setting colours when no TermInfo DB is present
-pub struct AutomationFriendlyTerminal<T>(Box<dyn term::Terminal<Output = T> + Send>)
+pub(crate) struct AutomationFriendlyTerminal<T>(Box<dyn term::Terminal<Output = T> + Send>)
 where
     T: Isatty + io::Write;
-pub type StdoutTerminal = AutomationFriendlyTerminal<Box<dyn Writer>>;
-pub type StderrTerminal = AutomationFriendlyTerminal<Box<dyn Writer>>;
+pub(crate) type StdoutTerminal = AutomationFriendlyTerminal<Box<dyn Writer>>;
+pub(crate) type StderrTerminal = AutomationFriendlyTerminal<Box<dyn Writer>>;
 
 macro_rules! swallow_unsupported {
     ( $call:expr ) => {{
@@ -225,14 +225,14 @@ lazy_static! {
         Mutex::new(term::terminfo::TermInfo::from_env().ok());
 }
 
-pub fn stdout() -> StdoutTerminal {
+pub(crate) fn stdout() -> StdoutTerminal {
     let info_result = TERMINFO.lock().unwrap().clone();
     AutomationFriendlyTerminal(termhack::make_terminal_with_fallback(info_result, || {
         process().stdout()
     }))
 }
 
-pub fn stderr() -> StderrTerminal {
+pub(crate) fn stderr() -> StderrTerminal {
     let info_result = TERMINFO.lock().unwrap().clone();
     AutomationFriendlyTerminal(termhack::make_terminal_with_fallback(info_result, || {
         process().stderr()
diff --git a/src/currentprocess.rs b/src/currentprocess.rs
index 9cba2a1d83..fd5d967a58 100644
--- a/src/currentprocess.rs
+++ b/src/currentprocess.rs
@@ -11,11 +11,11 @@ use std::sync::{Arc, Mutex};
 
 use rand::{thread_rng, Rng};
 
-pub mod argsource;
-pub mod cwdsource;
-pub mod filesource;
+pub(crate) mod argsource;
+pub(crate) mod cwdsource;
+pub(crate) mod filesource;
 mod homethunk;
-pub mod varsource;
+pub(crate) mod varsource;
 
 use argsource::*;
 use cwdsource::*;
@@ -121,7 +121,7 @@ pub fn process() -> Box<dyn CurrentProcess> {
 }
 
 /// Obtain the current instance of HomeProcess
-pub fn home_process() -> Box<dyn HomeProcess> {
+pub(crate) fn home_process() -> Box<dyn HomeProcess> {
     match PROCESS.with(|p| p.borrow().clone()) {
         None => panic!("No process instance"),
         Some(p) => p,
@@ -163,7 +163,7 @@ fn clear_process() {
 }
 
 thread_local! {
-    pub static PROCESS:RefCell<Option<Box<dyn HomeProcess>>> = RefCell::new(None);
+    pub(crate) static PROCESS:RefCell<Option<Box<dyn HomeProcess>>> = RefCell::new(None);
 }
 
 // PID related things
@@ -191,13 +191,13 @@ impl ProcessSource for OSProcess {
 
 #[derive(Clone, Debug, Default)]
 pub struct TestProcess {
-    pub cwd: PathBuf,
-    pub args: Vec<String>,
-    pub vars: HashMap<String, String>,
-    pub id: u64,
-    pub stdin: TestStdinInner,
-    pub stdout: TestWriterInner,
-    pub stderr: TestWriterInner,
+    pub(crate) cwd: PathBuf,
+    pub(crate) args: Vec<String>,
+    pub(crate) vars: HashMap<String, String>,
+    pub(crate) id: u64,
+    pub(crate) stdin: TestStdinInner,
+    pub(crate) stdout: TestWriterInner,
+    pub(crate) stderr: TestWriterInner,
 }
 
 impl TestProcess {
diff --git a/src/currentprocess/argsource.rs b/src/currentprocess/argsource.rs
index 4d861ca1eb..6f274a4c6c 100644
--- a/src/currentprocess/argsource.rs
+++ b/src/currentprocess/argsource.rs
@@ -20,7 +20,7 @@ impl ArgSource for super::OSProcess {
 }
 
 /// Helper for ArgSource over `Vec<String>`
-pub struct VecArgs<T> {
+pub(crate) struct VecArgs<T> {
     v: Vec<String>,
     i: usize,
     _marker: PhantomData<T>,
diff --git a/src/currentprocess/filesource.rs b/src/currentprocess/filesource.rs
index 2333c4567c..1770e86180 100644
--- a/src/currentprocess/filesource.rs
+++ b/src/currentprocess/filesource.rs
@@ -58,7 +58,7 @@ impl BufRead for TestStdinLock<'_> {
     }
 }
 
-pub type TestStdinInner = Arc<Mutex<Cursor<String>>>;
+pub(crate) type TestStdinInner = Arc<Mutex<Cursor<String>>>;
 
 struct TestStdin(TestStdinInner);
 
@@ -165,7 +165,7 @@ impl Write for TestWriterLock<'_> {
     }
 }
 
-pub type TestWriterInner = Arc<Mutex<Vec<u8>>>;
+pub(crate) type TestWriterInner = Arc<Mutex<Vec<u8>>>;
 
 struct TestWriter(TestWriterInner);
 
diff --git a/tests/mock/clitools.rs b/tests/mock/clitools.rs
index 3b33b774c0..4ab072faf0 100644
--- a/tests/mock/clitools.rs
+++ b/tests/mock/clitools.rs
@@ -600,7 +600,12 @@ where
     output
 }
 
-pub fn run_inprocess<I, A>(config: &Config, name: &str, args: I, env: &[(&str, &str)]) -> Output
+pub(crate) fn run_inprocess<I, A>(
+    config: &Config,
+    name: &str,
+    args: I,
+    env: &[(&str, &str)],
+) -> Output
 where
     I: IntoIterator<Item = A>,
     A: AsRef<OsStr>,