diff --git a/packages/core/upload/server/bootstrap.js b/packages/core/upload/server/bootstrap.js
index 43b8c8b264..1a075763ac 100644
--- a/packages/core/upload/server/bootstrap.js
+++ b/packages/core/upload/server/bootstrap.js
@@ -49,35 +49,27 @@ const createProvider = config => {
 
   const providerInstance = provider.init(providerOptions);
 
-  if (!providerInstance.delete) {
-    throw new Error(`The upload provider "${providerName}" doesn't implement the delete method.`);
-  }
-
-  if (!providerInstance.upload && !providerInstance.uploadStream) {
-    throw new Error(
-      `The upload provider "${providerName}" doesn't implement the uploadStream nor the upload method.`
-    );
-  }
-
-  if (!providerInstance.uploadStream) {
-    process.emitWarning(
-      `The upload provider "${providerName}" doesn't implement the uploadStream function. Strapi will fallback on the upload method. Some performance issues may occur.`
-    );
-  }
-
-  const wrappedProvider = _.mapValues(providerInstance, (method, methodName) => {
-    return async function(file, options = actionOptions[methodName]) {
-      return providerInstance[methodName](file, options);
-    };
+  return Object.assign(Object.create(baseProvider), {
+    ...providerInstance,
+    upload(file, options = actionOptions.upload) {
+      return providerInstance.upload(file, options);
+    },
+    delete(file, options = actionOptions.delete) {
+      return providerInstance.delete(file, options);
+    },
   });
-
-  return Object.assign(Object.create(baseProvider), wrappedProvider);
 };
 
 const baseProvider = {
   extend(obj) {
     Object.assign(this, obj);
   },
+  upload() {
+    throw new Error('Provider upload method is not implemented');
+  },
+  delete() {
+    throw new Error('Provider delete method is not implemented');
+  },
 };
 
 const registerPermissionActions = async () => {