diff --git a/src/test/script_p2sh_tests.cpp b/src/test/script_p2sh_tests.cpp
--- a/src/test/script_p2sh_tests.cpp
+++ b/src/test/script_p2sh_tests.cpp
@@ -50,7 +50,6 @@
 BOOST_FIXTURE_TEST_SUITE(script_p2sh_tests, BasicTestingSetup)
 
 BOOST_AUTO_TEST_CASE(sign) {
-    LOCK(cs_main);
     // Pay-to-script-hash looks like this:
     // scriptSig:    <sig> <sig...> <serialized_script>
     // scriptPubKey: HASH160 <hash> EQUAL
@@ -160,7 +159,6 @@
 }
 
 BOOST_AUTO_TEST_CASE(set) {
-    LOCK(cs_main);
     // Test the CScript::Set* methods
     FillableSigningProvider keystore;
     CKey key[4];
@@ -282,7 +280,6 @@
 }
 
 BOOST_AUTO_TEST_CASE(AreInputsStandard) {
-    LOCK(cs_main);
     CCoinsView coinsDummy;
     CCoinsViewCache coins(&coinsDummy);
     FillableSigningProvider keystore;
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -585,7 +585,6 @@
 }
 
 BOOST_AUTO_TEST_CASE(test_IsStandard) {
-    LOCK(cs_main);
     FillableSigningProvider keystore;
     CCoinsView coinsDummy;
     CCoinsViewCache coins(&coinsDummy);