diff --git a/CHANGELOG.md b/CHANGELOG.md
index f763c678..53beac03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,14 @@ will consitute of a breaking change warranting a new major release:
 - Both the `AcsController` and the `PwrController` now use the monotonic clock to calculate
   the time difference.
 
+# [v7.4.1] 2023-12-06
+
+## Fixed
+
+- Schedule SCEX again. Scheduling was removed accidentaly when Payload Task was converted to a PST.
+- SCEX transition was previously 0 seconds.. which did not lead to bugs? In any case it is 5
+  seconds now.
+
 # [v7.4.0] 2023-11-30
 
 - `eive-tmtc` v5.11.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b3d0b344..29d1ba23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ cmake_minimum_required(VERSION 3.13)
 
 set(OBSW_VERSION_MAJOR 7)
 set(OBSW_VERSION_MINOR 4)
-set(OBSW_VERSION_REVISION 0)
+set(OBSW_VERSION_REVISION 1)
 
 # set(CMAKE_VERBOSE TRUE)
 
diff --git a/bsp_q7s/objectFactory.cpp b/bsp_q7s/objectFactory.cpp
index 0880785b..ab400227 100644
--- a/bsp_q7s/objectFactory.cpp
+++ b/bsp_q7s/objectFactory.cpp
@@ -39,9 +39,7 @@
 #include "bsp_q7s/acs/StrConfigPathGetter.h"
 #include "bsp_q7s/boardtest/Q7STestTask.h"
 #include "bsp_q7s/callbacks/gnssCallback.h"
-#include "bsp_q7s/callbacks/pcduSwitchCb.h"
 #include "bsp_q7s/callbacks/q7sGpioCallbacks.h"
-#include "bsp_q7s/callbacks/rwSpiCallback.h"
 #include "busConf.h"
 #include "ccsdsConfig.h"
 #include "devConf.h"
@@ -73,7 +71,7 @@
 #include "mission/system/tcs/RtdFdir.h"
 #include "mission/system/tcs/TcsBoardAssembly.h"
 #include "mission/system/tcs/tcsModeTree.h"
-#include "mission/system/tree/payloadModeTree.h"
+#include "mission/system/payloadModeTree.h"
 #include "mission/tmtc/tmFilters.h"
 #include "mission/utility/GlobalConfigHandler.h"
 #include "tmtc/pusIds.h"
diff --git a/dummies/helperFactory.cpp b/dummies/helperFactory.cpp
index 42ec1eec..0485446b 100644
--- a/dummies/helperFactory.cpp
+++ b/dummies/helperFactory.cpp
@@ -41,7 +41,7 @@
 #include "mission/system/acs/acsModeTree.h"
 #include "mission/system/com/comModeTree.h"
 #include "mission/system/tcs/tcsModeTree.h"
-#include "mission/system/tree/payloadModeTree.h"
+#include "mission/system/payloadModeTree.h"
 #include "mission/tcs/defs.h"
 
 void dummy::createDummies(DummyCfg cfg, PowerSwitchIF& pwrSwitcher, GpioIF* gpioIF,
diff --git a/linux/ObjectFactory.cpp b/linux/ObjectFactory.cpp
index 4956c1d6..5626ee49 100644
--- a/linux/ObjectFactory.cpp
+++ b/linux/ObjectFactory.cpp
@@ -24,14 +24,10 @@
 
 #include "OBSWConfig.h"
 #include "devConf.h"
-#include "devices/addresses.h"
 #include "devices/gpioIds.h"
-#include "eive/definitions.h"
 #include "mission/system/acs/acsModeTree.h"
+#include "mission/system/payloadModeTree.h"
 #include "mission/system/power/epsModeTree.h"
-#include "mission/system/tcs/tcsModeTree.h"
-#include "mission/system/tree/payloadModeTree.h"
-#include "mission/tcs/defs.h"
 
 void ObjectFactory::createSunSensorComponents(GpioIF* gpioComIF, SpiComIF* spiComIF,
                                               PowerSwitchIF& pwrSwitcher, std::string spiDev,
diff --git a/linux/scheduling.cpp b/linux/scheduling.cpp
index d1b7853f..28d15090 100644
--- a/linux/scheduling.cpp
+++ b/linux/scheduling.cpp
@@ -47,35 +47,3 @@ void scheduling::addMpsocSupvHandlers(PeriodicTaskIF* plTask) {
   plTask->addComponent(objects::PLOC_MPSOC_HANDLER, DeviceHandlerIF::SEND_READ);
   plTask->addComponent(objects::PLOC_MPSOC_HANDLER, DeviceHandlerIF::GET_READ);
 }
-
-void scheduling::scheduleScexDev(PeriodicTaskIF*& scexDevHandler) {
-  ReturnValue_t result =
-      scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::PERFORM_OPERATION);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::SEND_WRITE);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::GET_WRITE);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::SEND_READ);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::GET_READ);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::SEND_READ);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-  result = scexDevHandler->addComponent(objects::SCEX, DeviceHandlerIF::GET_READ);
-  if (result != returnvalue::OK) {
-    printAddObjectError("SCEX_DEV", objects::SCEX);
-  }
-}
diff --git a/linux/scheduling.h b/linux/scheduling.h
index d6c5b1f1..82cf4dc9 100644
--- a/linux/scheduling.h
+++ b/linux/scheduling.h
@@ -8,7 +8,6 @@ namespace scheduling {
 extern PosixThreadArgs RR_SCHEDULING;
 extern PosixThreadArgs NORMAL_SCHEDULING;
 
-void scheduleScexDev(PeriodicTaskIF*& scexDevHandler);
 void scheduleScexReader(TaskFactory& factory, PeriodicTaskIF*& scexReaderTask);
 void addMpsocSupvHandlers(PeriodicTaskIF* task);
 }  // namespace scheduling
diff --git a/mission/acs/str/strHelpers.h b/mission/acs/str/strHelpers.h
index 8f83331d..9f284725 100644
--- a/mission/acs/str/strHelpers.h
+++ b/mission/acs/str/strHelpers.h
@@ -7,7 +7,7 @@
 #include <fsfw/devicehandlers/DeviceHandlerIF.h>
 #include <fsfw/serviceinterface/ServiceInterfaceStream.h>
 
-#include "objects/systemObjectList.h"
+#include <optional>
 
 namespace startracker {
 
diff --git a/mission/payload/ScexDeviceHandler.cpp b/mission/payload/ScexDeviceHandler.cpp
index ac668cdf..0d15c822 100644
--- a/mission/payload/ScexDeviceHandler.cpp
+++ b/mission/payload/ScexDeviceHandler.cpp
@@ -307,7 +307,7 @@ void ScexDeviceHandler::performOperationHook() {
   }
 }
 
-uint32_t ScexDeviceHandler::getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) { return OK; }
+uint32_t ScexDeviceHandler::getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) { return 5000; }
 
 ReturnValue_t ScexDeviceHandler::getSwitches(const uint8_t** switches, uint8_t* numberOfSwitches) {
   if (switchId) {
diff --git a/mission/pollingSeqTables.cpp b/mission/pollingSeqTables.cpp
index 1b369292..b6e99899 100644
--- a/mission/pollingSeqTables.cpp
+++ b/mission/pollingSeqTables.cpp
@@ -628,7 +628,13 @@ ReturnValue_t pst::pstPayload(FixedTimeslotTaskIF *thisSequence) {
                         FreshSupvHandler::OpCode::PARSE_TM);
   thisSequence->addSlot(objects::PLOC_SUPERVISOR_HANDLER, length * 0.2,
                         FreshSupvHandler::OpCode::PARSE_TM);
-  static_cast<void>(length);
 
+  thisSequence->addSlot(objects::SCEX, length * 0.6, DeviceHandlerIF::PERFORM_OPERATION);
+  thisSequence->addSlot(objects::SCEX, length * 0.6, DeviceHandlerIF::SEND_WRITE);
+  thisSequence->addSlot(objects::SCEX, length * 0.6, DeviceHandlerIF::GET_WRITE);
+  thisSequence->addSlot(objects::SCEX, length * 0.6, DeviceHandlerIF::SEND_READ);
+  thisSequence->addSlot(objects::SCEX, length * 0.6, DeviceHandlerIF::GET_READ);
+  thisSequence->addSlot(objects::SCEX, length * 0.8, DeviceHandlerIF::SEND_READ);
+  thisSequence->addSlot(objects::SCEX, length * 0.8, DeviceHandlerIF::GET_READ);
   return thisSequence->checkSequence();
 }
diff --git a/mission/system/CMakeLists.txt b/mission/system/CMakeLists.txt
index 116c0438..6b63b706 100644
--- a/mission/system/CMakeLists.txt
+++ b/mission/system/CMakeLists.txt
@@ -1,5 +1,4 @@
 add_subdirectory(objects)
-add_subdirectory(tree)
 add_subdirectory(acs)
 add_subdirectory(tcs)
 add_subdirectory(com)
@@ -8,4 +7,4 @@ add_subdirectory(power)
 target_sources(
   ${LIB_EIVE_MISSION}
   PRIVATE systemTree.cpp DualLanePowerStateMachine.cpp EiveSystem.cpp
-          treeUtil.cpp SharedPowerAssemblyBase.cpp)
+          treeUtil.cpp SharedPowerAssemblyBase.cpp payloadModeTree.cpp)
diff --git a/mission/system/tree/payloadModeTree.cpp b/mission/system/payloadModeTree.cpp
similarity index 100%
rename from mission/system/tree/payloadModeTree.cpp
rename to mission/system/payloadModeTree.cpp
diff --git a/mission/system/tree/payloadModeTree.h b/mission/system/payloadModeTree.h
similarity index 100%
rename from mission/system/tree/payloadModeTree.h
rename to mission/system/payloadModeTree.h
diff --git a/mission/system/systemTree.cpp b/mission/system/systemTree.cpp
index eeb0c08c..f636b248 100644
--- a/mission/system/systemTree.cpp
+++ b/mission/system/systemTree.cpp
@@ -6,15 +6,13 @@
 #include <mission/sysDefs.h>
 #include <mission/system/com/comModeTree.h>
 
-#include <atomic>
-
 #include "eive/objects.h"
 #include "mission/com/defs.h"
 #include "mission/sysDefs.h"
 #include "mission/system/acs/acsModeTree.h"
+#include "mission/system/payloadModeTree.h"
 #include "mission/system/power/epsModeTree.h"
 #include "mission/system/tcs/tcsModeTree.h"
-#include "mission/system/tree/payloadModeTree.h"
 #include "treeUtil.h"
 
 namespace {
diff --git a/mission/system/tree/CMakeLists.txt b/mission/system/tree/CMakeLists.txt
deleted file mode 100644
index 7b546846..00000000
--- a/mission/system/tree/CMakeLists.txt
+++ /dev/null
@@ -1 +0,0 @@
-target_sources(${LIB_EIVE_MISSION} PRIVATE payloadModeTree.cpp)