diff --git a/packages/rollup/rollup.js b/packages/rollup/rollup.js
index bfff06ebd..770d4b745 100644
--- a/packages/rollup/rollup.js
+++ b/packages/rollup/rollup.js
@@ -68,6 +68,9 @@ module.exports = (opts) => {
                     `Any plugins defined during the "done" lifecycle won't run when "styleExport" is set!`
                 );
             }
+
+            // Watch any files already in the procesor
+            Object.keys(processor.files).forEach((file) => this.addWatchFile(file));
         },
 
         watchChange(file) {
diff --git a/packages/svelte/svelte.js b/packages/svelte/svelte.js
index cf88cfe19..037ee13a5 100644
--- a/packages/svelte/svelte.js
+++ b/packages/svelte/svelte.js
@@ -50,9 +50,13 @@ module.exports = (config = false) => {
 
         if(style) {
             log("extract <style>");
-
+            
             file = "<style>";
-
+            
+            if(processor.has(filename)) {
+                processor.invalidate(filename);
+            }
+    
             result = await processor.string(
                 filename,
                 style[1]
@@ -102,11 +106,8 @@ module.exports = (config = false) => {
 
             log("extract <link>", external);
 
-            // When cleaning remove any files that've already been encountered, they need to be re-processed
-            if(config.clean) {
-                if(external in processor.files) {
-                    [ ...processor.dependents(external), external ].forEach((entry) => processor.remove(entry));
-                }
+            if(processor.has(external)) {
+                processor.invalidate(external);
             }
 
             // Process the file