diff --git a/library.json b/library.json
index e47f554..e1a09c6 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
     "name": "OFM-LogicModule",
-    "version": "3.7.3",
+    "version": "3.8.0",
     "description": "Logic module for the knx stack, can be embedded in an ETS application",
     "homepage": "https://openknx.de",
     "authors": {
diff --git a/src/LogicChannel.cpp b/src/LogicChannel.cpp
index 98ed171..5859ab8 100644
--- a/src/LogicChannel.cpp
+++ b/src/LogicChannel.cpp
@@ -30,10 +30,6 @@ LogicChannel::LogicChannel(uint8_t iChannelNumber)
     pTriggerIO = 0;
     pCurrentIn = BIT_INITIAL_GATE;
     pCurrentOut = BIT_OUTPUT_INITIAL; // tri-state output, at the beginning we are undefined
-    pLogPrefix[0] = 'C';
-    pLogPrefix[1] = '0' + (iChannelNumber + 1) / 10;
-    pLogPrefix[2] = '0' + (iChannelNumber + 1) % 10;
-    pLogPrefix[3] = 0;
 }
 
 LogicChannel::~LogicChannel()
@@ -44,11 +40,6 @@ LogicChannel::~LogicChannel()
  * Debug helper
  * ***************************/
 
-const std::string LogicChannel::logPrefix()
-{
-    return std::string(pLogPrefix);
-}
-
 #if LOGIC_TRACE
 char *LogicChannel::logTimeBase(uint16_t iParamIndex)
 {
@@ -2870,7 +2861,7 @@ void LogicChannel::processTimerRestoreState(TimerRestore &iTimer)
     if (lIterationIndicator)
         pCurrentPipeline |= PIP_TIMER_RESTORE_STEP;
 
-    logInfoP("Processing TimerRestore on Channel %d for Day %02d.%02d.%02d", channelIndex() + 1, iTimer.getDay(), iTimer.getMonth(), iTimer.getYear());
+    logInfoP("Processing TimerRestore for Day %04d-%02d-%02d", iTimer.getYear(), iTimer.getMonth(), iTimer.getDay());
     // first we process settings valid for whole timer
     // vacation is not processed (always skipped)
 
diff --git a/src/LogicChannel.h b/src/LogicChannel.h
index 4a9e9a3..3035e1f 100644
--- a/src/LogicChannel.h
+++ b/src/LogicChannel.h
@@ -328,8 +328,6 @@ class LogicChannel : public OpenKNX::Channel
     static TimerRestore &sTimerRestore;
 
     // instance
-    char pLogPrefix[4];
-    virtual const std::string logPrefix() override;
     /* Runtime information per channel */
     uint8_t pTriggerIO;        // Bitfield: Which input (0-3) triggered processing, Bit 4-7 are not used
     uint8_t pValidActiveIO;    // Bitfield: validity flags for input (0-3) values and active inputs (4-7)