diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp
--- a/src/test/mempool_tests.cpp
+++ b/src/test/mempool_tests.cpp
@@ -813,8 +813,6 @@
         pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(),
         (maxFeeRateRemoved.GetFeePerK() + feeIncrement) / 8 + SATOSHI);
     // ... with a 1/4 halflife when mempool is < 1/4 its target size
-
-    SetMockTime(0);
 }
 
 // expectedSize can be smaller than correctlyOrderedIds.size(), since we
diff --git a/src/test/setup_common.cpp b/src/test/setup_common.cpp
--- a/src/test/setup_common.cpp
+++ b/src/test/setup_common.cpp
@@ -53,6 +53,7 @@
     : m_path_root(fs::temp_directory_path() / "test_common_" PACKAGE_NAME /
                   strprintf("%lu_%i", static_cast<unsigned long>(GetTime()),
                             int(InsecureRandRange(1 << 30)))) {
+    SetMockTime(0);
     fs::create_directories(m_path_root);
     gArgs.ForceSetArg("-datadir", m_path_root.string());
     ClearDatadirCache();
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -255,8 +255,6 @@
             BOOST_CHECK_EQUAL(found, expected);
         }
     }
-
-    SetMockTime(0);
 }
 
 // Check that GetImmatureCredit() returns a newly calculated value instead of