diff --git a/reactos/base/services/eventlog/eventlog.c b/reactos/base/services/eventlog/eventlog.c
index d0ee12f36ea..c988e1257b0 100644
--- a/reactos/base/services/eventlog/eventlog.c
+++ b/reactos/base/services/eventlog/eventlog.c
@@ -463,7 +463,7 @@ VOID SystemTimeToEventTime(SYSTEMTIME * pSystemTime, DWORD * pEventTime)
 
     SystemTimeToFileTime(pSystemTime, &Time.ft);
     SystemTimeToFileTime(&st1970, &u1970.ft);
-    *pEventTime = (Time.ll - u1970.ll) / 10000000;
+    *pEventTime = (DWORD)((Time.ll - u1970.ll) / 10000000ull);
 }
 
 VOID PRINT_HEADER(PEVENTLOGHEADER header)
diff --git a/reactos/base/services/eventlog/file.c b/reactos/base/services/eventlog/file.c
index 116d0d09102..8bd9ec0a159 100644
--- a/reactos/base/services/eventlog/file.c
+++ b/reactos/base/services/eventlog/file.c
@@ -896,17 +896,17 @@ DWORD LogfGetCurrentRecord(PLOGFILE LogFile)
 
 BOOL LogfDeleteOffsetInformation(PLOGFILE LogFile, ULONG ulNumber)
 {
-    int i;
+    DWORD i;
 
     if (ulNumber != LogFile->OffsetInfo[0].EventNumber)
     {
         return FALSE;
     }
 
-    for (i=0;i<LogFile->OffsetInfoNext-1; i++)
+    for (i = 0; i < LogFile->OffsetInfoNext - 1; i++)
     {
-        LogFile->OffsetInfo[i].EventNumber = LogFile->OffsetInfo[i+1].EventNumber;
-        LogFile->OffsetInfo[i].EventOffset = LogFile->OffsetInfo[i+1].EventOffset;
+        LogFile->OffsetInfo[i].EventNumber = LogFile->OffsetInfo[i + 1].EventNumber;
+        LogFile->OffsetInfo[i].EventOffset = LogFile->OffsetInfo[i + 1].EventOffset;
     }
     LogFile->OffsetInfoNext--;
     return TRUE;
@@ -1102,4 +1102,4 @@ LogfReportEvent(WORD wType,
     }
 
     LogfFreeRecord(logBuffer);
-}
\ No newline at end of file
+}
diff --git a/reactos/include/reactos/idl/eventlogrpc.idl b/reactos/include/reactos/idl/eventlogrpc.idl
index e5cdbd3459d..5059e62ea7d 100644
--- a/reactos/include/reactos/idl/eventlogrpc.idl
+++ b/reactos/include/reactos/idl/eventlogrpc.idl
@@ -190,24 +190,15 @@ interface eventlog
 
     /* Function 19 */
     NTSTATUS ElfrRegisterClusterSvc(
-#ifndef __midl
-        [in] handle_t BindingHandle
-#endif
-        ); /* FIXME */
+        [in] handle_t BindingHandle);
 
     /* Function 20 */
     NTSTATUS ElfrDeregisterClusterSvc(
-#ifndef __midl
-        [in] handle_t BindingHandle
-#endif
-        ); /* FIXME */
+        [in] handle_t BindingHandle);
 
     /* Function 21 */
     NTSTATUS ElfrWriteClusterEvents(
-#ifndef __midl
-        [in] handle_t BindingHandle
-#endif
-        ); /* FIXME */
+        [in] handle_t BindingHandle);
 
     /* Function 22 */
     NTSTATUS ElfrGetLogInformation(