diff --git a/LeStorage/Codables/DataAccess.swift b/LeStorage/Codables/DataAccess.swift
index ab428ce..f791c62 100644
--- a/LeStorage/Codables/DataAccess.swift
+++ b/LeStorage/Codables/DataAccess.swift
@@ -12,6 +12,7 @@ class DataAccess: SyncedModelObject, SyncedStorable {
     static func tokenExemptedMethods() -> [HTTPMethod] { return [] }
     static func resourceName() -> String { return "data-access" }
     static func relationships() -> [Relationship] { return [] }
+    static var copyServerResponse: Bool = false
 
     override required init() {
         super.init()
diff --git a/LeStorage/Codables/FailedAPICall.swift b/LeStorage/Codables/FailedAPICall.swift
index 53786dd..6b340bd 100644
--- a/LeStorage/Codables/FailedAPICall.swift
+++ b/LeStorage/Codables/FailedAPICall.swift
@@ -8,10 +8,11 @@
 import Foundation
 
 class FailedAPICall: SyncedModelObject, SyncedStorable {
-
+    
     static func resourceName() -> String { return "failed-api-calls" }
     static func tokenExemptedMethods() -> [HTTPMethod] { return [] }
     static func relationships() -> [Relationship] { return [] }
+    static var copyServerResponse: Bool = false
 
     override required init() {
         self.callId = ""
diff --git a/LeStorage/Codables/GetSyncData.swift b/LeStorage/Codables/GetSyncData.swift
index 7c8d9e9..bd8882e 100644
--- a/LeStorage/Codables/GetSyncData.swift
+++ b/LeStorage/Codables/GetSyncData.swift
@@ -20,7 +20,8 @@ class GetSyncData: SyncedModelObject, SyncedStorable, URLParameterConvertible {
     }
     
     static func tokenExemptedMethods() -> [HTTPMethod] { return [] }
-    
+    static var copyServerResponse: Bool = false
+
     static func resourceName() -> String {
         return "sync-data"
     }
diff --git a/LeStorage/Codables/Log.swift b/LeStorage/Codables/Log.swift
index 5a223ac..ab9f2a7 100644
--- a/LeStorage/Codables/Log.swift
+++ b/LeStorage/Codables/Log.swift
@@ -12,6 +12,7 @@ class Log: SyncedModelObject, SyncedStorable {
     static func resourceName() -> String { return "logs" }
     static func tokenExemptedMethods() -> [HTTPMethod] { return [] }
     static func relationships() -> [Relationship] { return [] }
+    static var copyServerResponse: Bool = false
 
     override required init() {
         super.init()
diff --git a/LeStorage/ModelObject.swift b/LeStorage/ModelObject.swift
index 99e785f..1c934d5 100644
--- a/LeStorage/ModelObject.swift
+++ b/LeStorage/ModelObject.swift
@@ -53,10 +53,6 @@ open class SyncedModelObject: BaseModelObject {
     public var lastUpdate: Date = Date()
     public var shared: Bool?
     
-    open func copyFromServerInstance(_ instance: any Storable) -> Bool {
-        return false
-    }
-    
     public override init() {
         super.init()
     }
diff --git a/LeStorage/Services.swift b/LeStorage/Services.swift
index 77c96b0..b663751 100644
--- a/LeStorage/Services.swift
+++ b/LeStorage/Services.swift
@@ -519,26 +519,6 @@ public class Services {
         return try await self._runRequest(deleteRequest)
     }
     
-    /// Executes a POST request
-
-    public func post<T: Storable>(_ instance: T) async throws -> T {
-        var postRequest = try self._postRequest(type: T.self)
-        postRequest.httpBody = try JSON.encoder.encode(instance)
-        return try await self._runRequest(postRequest)
-    }
-    
-    /// Executes a PUT request
-    public func put<T: Storable>(_ instance: T) async throws -> T {
-        var postRequest = try self._putRequest(type: T.self, id: instance.stringId)
-        postRequest.httpBody = try JSON.encoder.encode(instance)
-        return try await self._runRequest(postRequest)
-    }
-    
-    public func delete<T: Storable>(_ instance: T) async throws -> T {
-        let deleteRequest = try self._deleteRequest(type: T.self, id: instance.stringId)
-        return try await self._runRequest(deleteRequest)
-    }
-    
     /// Executes an ApiCall
     func runGetApiCall<T: SyncedStorable, V: Decodable>(_ apiCall: ApiCall<T>) async throws -> V {
         let request = try self._syncGetRequest(from: apiCall)
diff --git a/LeStorage/SyncedStorable.swift b/LeStorage/SyncedStorable.swift
index 484b7a9..66f30a2 100644
--- a/LeStorage/SyncedStorable.swift
+++ b/LeStorage/SyncedStorable.swift
@@ -30,9 +30,7 @@ public protocol SideStorable {
     var storeId: String? { get set }
 }
 
-extension SyncedStorable {
-    
-    public static var copyServerResponse: Bool { return false }
+public extension SyncedStorable {
     
     func copy() -> Self {
         let copy = Self()
diff --git a/LeStorage/Utils/Date+Extensions.swift b/LeStorage/Utils/Date+Extensions.swift
index c3d81e6..41f6c98 100644
--- a/LeStorage/Utils/Date+Extensions.swift
+++ b/LeStorage/Utils/Date+Extensions.swift
@@ -9,19 +9,19 @@ import Foundation
 
 extension Date {
 
-    static var iso8601Formatter: ISO8601DateFormatter {
+    static var iso8601Formatter: ISO8601DateFormatter = {
         let iso8601Formatter = ISO8601DateFormatter()
         iso8601Formatter.timeZone = TimeZone(abbreviation: "CET")
         iso8601Formatter.formatOptions = [.withInternetDateTime, .withTimeZone]
         return iso8601Formatter
-    }
+    }()
     
-    public static var iso8601FractionalFormatter: ISO8601DateFormatter {
+    public static var iso8601FractionalFormatter: ISO8601DateFormatter = {
         let iso8601Formatter = ISO8601DateFormatter()
         iso8601Formatter.timeZone = TimeZone(abbreviation: "CET")
         iso8601Formatter.formatOptions = [.withInternetDateTime, .withTimeZone, .withFractionalSeconds]
         return iso8601Formatter
-    }
+    }()
     
     public static var microSecondFormatter: DateFormatter = {
         let formatter = DateFormatter()