diff --git a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
index 2fc3af6..b4d9f4a 100644
--- a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
+++ b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
@@ -92,6 +92,7 @@ namespace MiscServices {
                     IMSA_HILOGI("InputMethodCoreStub::OnRemoteRequest START_INPUT inputDataChannel is nulltpr");
                 }
                 startInput(inputDataChannel, *editorAttribute, supportPhysicalKbd);
+                delete editorAttribute;
                 reply.WriteNoException();
                 break;
             }
@@ -120,6 +121,7 @@ namespace MiscServices {
             case SET_KEYBOARD_TYPE: {
                 KeyboardType *type = data.ReadParcelable<KeyboardType>();
                 setKeyboardType(*type);
+                delete type;
                 reply.WriteNoException();
                 break;
             }
diff --git a/frameworks/inputmethod_controller/src/input_method_controller.cpp b/frameworks/inputmethod_controller/src/input_method_controller.cpp
index 8051f46..8a09e04 100644
--- a/frameworks/inputmethod_controller/src/input_method_controller.cpp
+++ b/frameworks/inputmethod_controller/src/input_method_controller.cpp
@@ -158,6 +158,7 @@ using namespace MessageID;
                     if (textListener != nullptr) {
                         textListener->SendKeyboardInfo(*info);
                     }
+                    delete info;
                     break;
                 }
                 case MSG_ID_SEND_FUNCTION_KEY: {
@@ -169,6 +170,7 @@ using namespace MessageID;
                     if (textListener != nullptr) {
                         textListener->SendKeyboardInfo(*info);
                     }
+                    delete info;
                     break;
                 }
                 case MSG_ID_MOVE_CURSOR: {
diff --git a/services/src/peruser_session.cpp b/services/src/peruser_session.cpp
index 1b6d18a..5682952 100644
--- a/services/src/peruser_session.cpp
+++ b/services/src/peruser_session.cpp
@@ -1185,6 +1185,7 @@ namespace MiscServices {
         }
 
         int ret = AddClient(pid, uid, displayId, client, channel, *attribute);
+        delete attribute;
         if (ret != ErrorCode::NO_ERROR) {
             IMSA_HILOGE("PerUserSession::OnPrepareInput Aborted! %{public}s", ErrorCode::ToString(ret));
             return;