diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6164147cd1..2f31fdefda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@
 
 - `rescript format` now has a `--dev` flag that works similar to `rescript clean`. https://github.com/rescript-lang/rescript/pull/7752
 - `rescript clean` now will clean an individual project (see [#7707](https://github.com/rescript-lang/rescript/issues/7707)). https://github.com/rescript-lang/rescript/pull/7752
+- `rescript clean` will log multiple `in-source` extensions if present. https://github.com/rescript-lang/rescript/pull/7769
 
 #### :house: Internal
 
diff --git a/rewatch/src/build/clean.rs b/rewatch/src/build/clean.rs
index e4a4786a8c..b5f4e79a55 100644
--- a/rewatch/src/build/clean.rs
+++ b/rewatch/src/build/clean.rs
@@ -61,7 +61,7 @@ pub fn remove_compile_assets(package: &packages::Package, source_file: &Path) {
     }
 }
 
-fn clean_source_files(build_state: &BuildState, root_config: &Config, suffix: &str) {
+fn clean_source_files(build_state: &BuildState, root_config: &Config) {
     // get all rescript file locations
     let rescript_file_locations = build_state
         .modules
@@ -77,7 +77,7 @@ fn clean_source_files(build_state: &BuildState, root_config: &Config, suffix: &s
                                 Some((
                                     package.path.join(&source_file.implementation.path),
                                     match spec.suffix {
-                                        None => suffix.to_owned(),
+                                        None => root_config.get_suffix(&spec),
                                         Some(suffix) => suffix,
                                     },
                                 ))
@@ -367,19 +367,40 @@ pub fn clean(path: &Path, show_progress: bool, snapshot_output: bool, clean_dev_
     let mut build_state = BuildState::new(project_context, packages, bsc_path);
     packages::parse_packages(&mut build_state);
     let root_config = build_state.get_root_config();
-    let suffix = build_state.project_context.get_suffix();
+    let suffix_for_print = if snapshot_output || !show_progress {
+        String::new()
+    } else {
+        match root_config.package_specs {
+            None => match &root_config.suffix {
+                None => String::from(".js"),
+                Some(suffix) => suffix.clone(),
+            },
+            Some(_) => root_config
+                .get_package_specs()
+                .into_iter()
+                .filter_map(|spec| {
+                    if spec.in_source {
+                        spec.suffix.or_else(|| root_config.suffix.clone())
+                    } else {
+                        None
+                    }
+                })
+                .collect::<Vec<String>>()
+                .join(", "),
+        }
+    };
 
     if !snapshot_output && show_progress {
         println!(
             "{} {}Cleaning {} files...",
             style("[2/2]").bold().dim(),
             SWEEP,
-            suffix
+            suffix_for_print
         );
         let _ = std::io::stdout().flush();
     }
 
-    clean_source_files(&build_state, root_config, &suffix);
+    clean_source_files(&build_state, root_config);
     let timing_clean_mjs_elapsed = timing_clean_mjs.elapsed();
 
     if !snapshot_output && show_progress {
@@ -388,7 +409,7 @@ pub fn clean(path: &Path, show_progress: bool, snapshot_output: bool, clean_dev_
             LINE_CLEAR,
             style("[2/2]").bold().dim(),
             SWEEP,
-            suffix,
+            suffix_for_print,
             timing_clean_mjs_elapsed.as_secs_f64()
         );
         let _ = std::io::stdout().flush();
diff --git a/rewatch/src/project_context.rs b/rewatch/src/project_context.rs
index 0293b7c809..edf35e1b4d 100644
--- a/rewatch/src/project_context.rs
+++ b/rewatch/src/project_context.rs
@@ -215,13 +215,6 @@ impl ProjectContext {
         self.get_root_config().path.parent().unwrap()
     }
 
-    pub fn get_suffix(&self) -> String {
-        self.get_root_config()
-            .suffix
-            .clone()
-            .unwrap_or(String::from(".res.mjs"))
-    }
-
     /// Returns the local packages relevant for the current context.
     /// Either a single project, all projects from a monorepo or a single package inside a monorepo.
     pub fn get_scoped_local_packages(&self, include_dev_deps: bool) -> AHashSet<String> {