diff --git a/.changeset/fluffy-vans-matter.md b/.changeset/fluffy-vans-matter.md
new file mode 100644
index 0000000000..296264da4a
--- /dev/null
+++ b/.changeset/fluffy-vans-matter.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/dashboard": patch
+---
+
+fix(dashboard): Properly delete metadata keys, and fix number parsing
diff --git a/packages/admin/dashboard/src/components/forms/metadata-form/metadata-form.tsx b/packages/admin/dashboard/src/components/forms/metadata-form/metadata-form.tsx
index c106a687ce..ffb44a9cd5 100644
--- a/packages/admin/dashboard/src/components/forms/metadata-form/metadata-form.tsx
+++ b/packages/admin/dashboard/src/components/forms/metadata-form/metadata-form.tsx
@@ -88,7 +88,7 @@ const InnerForm = <TRes,>({
   })
 
   const handleSubmit = form.handleSubmit(async (data) => {
-    const parsedData = parseValues(data)
+    const parsedData = parseValues(data, metadata)
 
     await hook(
       {
@@ -364,7 +364,8 @@ function getDefaultValues(
 }
 
 function parseValues(
-  values: z.infer<typeof MetadataSchema>
+  values: z.infer<typeof MetadataSchema>,
+  original?: Record<string, any> | null
 ): Record<string, any> | null {
   const metadata = values.metadata
 
@@ -378,12 +379,22 @@ function parseValues(
 
   const update: Record<string, any> = {}
 
+  // First, handle removed keys from original
+  if (original) {
+    Object.keys(original).forEach((originalKey) => {
+      const exists = metadata.some((field) => field.key === originalKey)
+      if (!exists) {
+        update[originalKey] = ""
+      }
+    })
+  }
+
   metadata.forEach((field) => {
     let key = field.key
     let value = field.value
     const disabled = field.disabled
 
-    if (!key || !value) {
+    if (!key) {
       return
     }
 
@@ -393,7 +404,7 @@ function parseValues(
     }
 
     key = key.trim()
-    value = value.trim()
+    value = value?.trim() ?? ""
 
     // We try to cast the value to a boolean or number if possible
     if (value === "true") {
@@ -401,9 +412,9 @@ function parseValues(
     } else if (value === "false") {
       update[key] = false
     } else {
-      const parsedNumber = parseFloat(value)
-      if (!isNaN(parsedNumber)) {
-        update[key] = parsedNumber
+      const isNumeric = /^-?\d*\.?\d+$/.test(value)
+      if (isNumeric) {
+        update[key] = parseFloat(value)
       } else {
         update[key] = value
       }