diff --git a/src/app/tests/integration/chip_im_initiator.cpp b/src/app/tests/integration/chip_im_initiator.cpp
index 3a1ed7250af527..e00e3b8d65576d 100644
--- a/src/app/tests/integration/chip_im_initiator.cpp
+++ b/src/app/tests/integration/chip_im_initiator.cpp
@@ -186,7 +186,7 @@ class MockInteractionModelApp : public chip::app::InteractionModelDelegate,
         gLastCommandResult = TestCommandResult::kFailure;
         printf("CommandResponseError happens with %" CHIP_ERROR_FORMAT, aError.Format());
     }
-    void OnDone(chip::app::CommandSender * apCommandSender) override {}
+    void OnDone(chip::app::CommandSender * apCommandSender) override { delete apCommandSender; }
 
     void OnResponse(const chip::app::WriteClient * apWriteClient, const chip::app::ConcreteAttributePath & path,
                     chip::app::StatusIB status) override
@@ -445,6 +445,10 @@ CHIP_ERROR EstablishSecureSession()
     {
         printf("Establish secure session succeeded\n");
     }
+    if (testSecurePairingSecret)
+    {
+        chip::Platform::Delete(testSecurePairingSecret);
+    }
 
     return err;
 }
diff --git a/src/messaging/tests/echo/echo_requester.cpp b/src/messaging/tests/echo/echo_requester.cpp
index 570b182f4e7f7e..c94c43ffd42669 100644
--- a/src/messaging/tests/echo/echo_requester.cpp
+++ b/src/messaging/tests/echo/echo_requester.cpp
@@ -180,6 +180,10 @@ CHIP_ERROR EstablishSecureSession()
     {
         printf("Establish secure session succeeded\n");
     }
+    if (testSecurePairingSecret)
+    {
+        chip::Platform::Delete(testSecurePairingSecret);
+    }
 
     return err;
 }