diff --git a/platformio/builder/tools/piolib.py b/platformio/builder/tools/piolib.py
index 3c34748e..234a621a 100644
--- a/platformio/builder/tools/piolib.py
+++ b/platformio/builder/tools/piolib.py
@@ -956,7 +956,6 @@ def IsCompatibleLibBuilder(env, lb, verbose=int(ARGUMENTS.get("PIOVERBOSE", 0)))
         return False
     if (
         compat_mode in ("soft", "strict")
-        and "PIOFRAMEWORK" in env
         and not lb.is_frameworks_compatible(env.get("PIOFRAMEWORK", []))
     ):
         if verbose: