diff --git a/modules/mono/editor/GodotTools/GodotTools/GodotTools.csproj b/modules/mono/editor/GodotTools/GodotTools/GodotTools.csproj
index dbd774a66a4..15b9e50a8d1 100644
--- a/modules/mono/editor/GodotTools/GodotTools/GodotTools.csproj
+++ b/modules/mono/editor/GodotTools/GodotTools/GodotTools.csproj
@@ -34,7 +34,6 @@
       <HintPath>..\packages\JetBrains.Annotations.2019.1.3\lib\net20\JetBrains.Annotations.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Mono.Posix" />
     <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
       <HintPath>..\packages\Newtonsoft.Json.12.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
@@ -100,8 +99,5 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup>
-    <Content Include="Ides\Rider\.editorconfig" />
-  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/modules/mono/editor/GodotTools/GodotTools/Utils/OS.cs b/modules/mono/editor/GodotTools/GodotTools/Utils/OS.cs
index 5a867b7f8b6..09719d87214 100644
--- a/modules/mono/editor/GodotTools/GodotTools/Utils/OS.cs
+++ b/modules/mono/editor/GodotTools/GodotTools/Utils/OS.cs
@@ -5,7 +5,6 @@ using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Runtime.CompilerServices;
-using Mono.Unix.Native;
 
 namespace GodotTools.Utils
 {
@@ -15,6 +14,9 @@ namespace GodotTools.Utils
         [MethodImpl(MethodImplOptions.InternalCall)]
         static extern string GetPlatformName();
 
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        static extern bool UnixFileHasExecutableAccess(string filePath);
+
         public static class Names
         {
             public const string Windows = "Windows";
@@ -131,7 +133,7 @@ namespace GodotTools.Utils
             searchDirs.Add(System.IO.Directory.GetCurrentDirectory()); // last in the list
 
             return searchDirs.Select(dir => Path.Combine(dir, name))
-                .FirstOrDefault(path => File.Exists(path) && Syscall.access(path, AccessModes.X_OK) == 0);
+                .FirstOrDefault(path => File.Exists(path) && UnixFileHasExecutableAccess(path));
         }
 
         public static void RunProcess(string command, IEnumerable<string> arguments)
diff --git a/modules/mono/editor/editor_internal_calls.cpp b/modules/mono/editor/editor_internal_calls.cpp
index 443b4ba841c..48a3259a900 100644
--- a/modules/mono/editor/editor_internal_calls.cpp
+++ b/modules/mono/editor/editor_internal_calls.cpp
@@ -30,6 +30,10 @@
 
 #include "editor_internal_calls.h"
 
+#ifdef UNIX_ENABLED
+#include <unistd.h> // access
+#endif
+
 #include "core/os/os.h"
 #include "core/version.h"
 #include "editor/editor_node.h"
@@ -370,6 +374,15 @@ MonoString *godot_icall_Utils_OS_GetPlatformName() {
 	return GDMonoMarshal::mono_string_from_godot(os_name);
 }
 
+MonoBoolean godot_icall_Utils_OS_UnixFileHasExecutableAccess(MonoString *p_file_path) {
+#ifdef UNIX_ENABLED
+	String file_path = GDMonoMarshal::mono_string_to_godot(p_file_path);
+	return access(file_path.utf8().get_data(), X_OK) == 0;
+#else
+	ERR_FAIL_V(false);
+#endif
+}
+
 void register_editor_internal_calls() {
 
 	// GodotSharpDirs
@@ -442,4 +455,5 @@ void register_editor_internal_calls() {
 
 	// Utils.OS
 	mono_add_internal_call("GodotTools.Utils.OS::GetPlatformName", (void *)godot_icall_Utils_OS_GetPlatformName);
+	mono_add_internal_call("GodotTools.Utils.OS::UnixFileHasExecutableAccess", (void *)godot_icall_Utils_OS_UnixFileHasExecutableAccess);
 }