diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index d89b29b92..7902859c9 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -4827,6 +4827,16 @@ HFONT CreateFont(
       <not-uninit/>
     </arg>
   </function>
+  <!-- Intrinsic __noop https://docs.microsoft.com/en-us/cpp/intrinsics/noop -->
+  <function name="__noop">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="any"/>
+  </function>
+  <!-- Intrinsic void __nop(); https://docs.microsoft.com/en-us/cpp/intrinsics/nop -->
+  <function name="__nop">
+    <noreturn>false</noreturn>
+  </function>
   <podtype name="LARGE_INTEGER" sign="s" size="8"/>
   <podtype name="POINTER_SIGNED" sign="s"/>
   <podtype name="POINTER_UNSIGNED" sign="u"/>
diff --git a/test/cfg/windows.cpp b/test/cfg/windows.cpp
index d19adf312..1ff18b78c 100644
--- a/test/cfg/windows.cpp
+++ b/test/cfg/windows.cpp
@@ -146,6 +146,11 @@ void validCode()
     SecureZeroMemory(byteBuf, sizeof(byteBuf));
     RtlFillMemory(byteBuf, sizeof(byteBuf), 0xff);
 
+    // Intrinsics
+    __noop();
+    __noop(1, "test", NULL);
+    __nop();
+
     // Valid Library usage, no leaks, valid arguments
     HINSTANCE hInstLib = LoadLibrary(L"My.dll");
     FreeLibrary(hInstLib);