diff --git a/cmd/genbindings/clang2il.go b/cmd/genbindings/clang2il.go
index 377058e4..47437534 100644
--- a/cmd/genbindings/clang2il.go
+++ b/cmd/genbindings/clang2il.go
@@ -398,6 +398,8 @@ nextMethod:
 				continue
 			}
 
+			ApplyQuirks(ret.ClassName, &mm)
+
 			ret.Ctors = append(ret.Ctors, mm)
 
 		case "CXXDestructorDecl":
diff --git a/cmd/genbindings/config-allowlist.go b/cmd/genbindings/config-allowlist.go
index 92bf5fdd..0f5a62c1 100644
--- a/cmd/genbindings/config-allowlist.go
+++ b/cmd/genbindings/config-allowlist.go
@@ -632,21 +632,19 @@ func AllowType(p CppParameter, isReturnType bool) error {
 	return nil
 }
 
-// LinuxWindowsCompatCheck checks if the parameter is incompatible between the
-// generated headers (generated on Linux) with other OSes such as Windows.
-// These methods will be blocked on non-Linux OSes.
-func LinuxWindowsCompatCheck(p CppParameter) bool {
-	if p.GetQtCppType().ParameterType == "Q_PID" {
-		return true // int64 on Linux, _PROCESS_INFORMATION* on Windows
-	}
-
-	if p.GetQtCppType().ParameterType == "QSocketDescriptor::DescriptorType" {
-		return true // uintptr_t-compatible on Linux, void* on Windows
-	}
-	return false
-}
-
 func ApplyQuirks(className string, mm *CppMethod) {
+
+	if mm.ReturnType.GetQtCppType().ParameterType == "Q_PID" {
+		// int64 on Linux, _PROCESS_INFORMATION* on Windows
+		mm.LinuxOnly = true
+	}
+
+	if mm.ReturnType.GetQtCppType().ParameterType == "QSocketDescriptor::DescriptorType" ||
+		(len(mm.Parameters) > 0 && mm.Parameters[0].GetQtCppType().ParameterType == "QSocketDescriptor::DescriptorType") {
+		// uintptr_t-compatible on Linux, void* on Windows
+		mm.LinuxOnly = true
+	}
+
 	if className == "QArrayData" && mm.MethodName == "needsDetach" && mm.IsConst {
 		mm.BecomesNonConstInVersion = addr("6.7")
 	}
diff --git a/cmd/genbindings/transformtypedefs.go b/cmd/genbindings/transformtypedefs.go
index e65d2e9f..97ecb794 100644
--- a/cmd/genbindings/transformtypedefs.go
+++ b/cmd/genbindings/transformtypedefs.go
@@ -68,18 +68,9 @@ func applyTypedefs_Method(m *CppMethod) {
 	for k, p := range m.Parameters {
 		transformed := applyTypedefs(p)
 		m.Parameters[k] = transformed
-
-		if LinuxWindowsCompatCheck(transformed) {
-			m.LinuxOnly = true
-		}
 	}
 
 	m.ReturnType = applyTypedefs(m.ReturnType)
-
-	// Also apply OS compatibility rules
-	if LinuxWindowsCompatCheck(m.ReturnType) {
-		m.LinuxOnly = true
-	}
 }
 
 // astTransformTypedefs replaces the ParameterType with any known typedef value.