diff --git a/src/policy/policy.h b/src/policy/policy.h
index bb82592198..ecab8a728a 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -117,7 +117,8 @@ static constexpr unsigned int STANDARD_SCRIPT_VERIFY_FLAGS{MANDATORY_SCRIPT_VERI
                                                              SCRIPT_VERIFY_CONST_SCRIPTCODE |
                                                              SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_TAPROOT_VERSION |
                                                              SCRIPT_VERIFY_DISCOURAGE_OP_SUCCESS |
-                                                             SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_PUBKEYTYPE};
+                                                             SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_PUBKEYTYPE |
+                                                             SCRIPT_VERIFY_SIMPLICITY};
 
 /** For convenience, standard but not mandatory verify flags. */
 static constexpr unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS{STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS};
diff --git a/src/validation.cpp b/src/validation.cpp
index d304c2475e..667aed758c 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1130,10 +1130,6 @@ bool MemPoolAccept::PolicyScriptChecks(const ATMPArgs& args, Workspace& ws)
         scriptVerifyFlags |= SCRIPT_SIGHASH_RANGEPROOF;
     }
 
-    if (DeploymentActiveAfter(m_active_chainstate.m_chain.Tip(), m_active_chainstate.m_chainman, Consensus::DEPLOYMENT_SIMPLICITY)) {
-        scriptVerifyFlags |= SCRIPT_VERIFY_SIMPLICITY;
-    }
-
     // Check input scripts and signatures.
     // This is done last to help prevent CPU exhaustion denial-of-service attacks.
     if (!CheckInputScripts(tx, state, m_view, scriptVerifyFlags, true, false, ws.m_precomputed_txdata)) {