diff --git a/dlls/kernel32/instr.c b/dlls/kernel32/instr.c
index 3a9f335b3ed..5e28d953070 100644
--- a/dlls/kernel32/instr.c
+++ b/dlls/kernel32/instr.c
@@ -709,7 +709,7 @@ DWORD __wine_emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT86 *context )
                     idt[1].LimitLow = 0x100; /* FIXME */
                     idt[2].LimitLow = 0x11E; /* FIXME */
                     idt[3].LimitLow = 0x500; /* FIXME */
-                    store_reg( context, instr[1], (BYTE *)&idt + offset, long_op );
+                    store_reg( context, instr[1], (BYTE *)idt + offset, long_op );
                     context->Eip += prefixlen + len + 1;
                     return ExceptionContinueExecution;
                 }
diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c
index 113034939ec..5fdb3073c65 100644
--- a/dlls/kernel32/locale.c
+++ b/dlls/kernel32/locale.c
@@ -3255,7 +3255,7 @@ BOOL WINAPI IsValidLanguageGroup(LGRPID lgrpid, DWORD dwFlags)
 
         sprintfW( szValueName, szFormat, lgrpid );
 
-        if (NLS_RegGetDword( hKey, szValueName, (LPDWORD)&szValue ))
+        if (NLS_RegGetDword( hKey, szValueName, (LPDWORD)szValue ))
         {
             bSupported = TRUE;
 
diff --git a/dlls/kernel32/relay16.c b/dlls/kernel32/relay16.c
index 3712aec04da..e34eb367679 100644
--- a/dlls/kernel32/relay16.c
+++ b/dlls/kernel32/relay16.c
@@ -277,7 +277,7 @@ static const CALLFROM16 *get_entry_point( STACK16FRAME *frame, LPSTR module, LPS
     /* Retrieve entry point call structure */
     p = MapSL( MAKESEGPTR( frame->module_cs, frame->callfrom_ip ) );
     /* p now points to lret, get the start of CALLFROM16 structure */
-    return (CALLFROM16 *)(p - (BYTE *)&((CALLFROM16 *)0)->ret);
+    return (CALLFROM16 *)(p - FIELD_OFFSET( CALLFROM16, ret ));
 }
 
 
diff --git a/dlls/kernel32/task.c b/dlls/kernel32/task.c
index b2f1ae6f06f..fcba2e9cb19 100644
--- a/dlls/kernel32/task.c
+++ b/dlls/kernel32/task.c
@@ -196,7 +196,7 @@ static SEGPTR TASK_AllocThunk(void)
 
     if (!(pTask = TASK_GetCurrent())) return 0;
     sel = pTask->hCSAlias;
-    pThunk = (THUNKS *)&pTask->thunks;
+    pThunk = (THUNKS *)pTask->thunks;
     base = (char *)pThunk - (char *)pTask;
     while (!pThunk->free)
     {
@@ -231,7 +231,7 @@ static BOOL TASK_FreeThunk( SEGPTR thunk )
 
     if (!(pTask = TASK_GetCurrent())) return 0;
     sel = pTask->hCSAlias;
-    pThunk = (THUNKS *)&pTask->thunks;
+    pThunk = (THUNKS *)pTask->thunks;
     base = (char *)pThunk - (char *)pTask;
     while (sel && (sel != HIWORD(thunk)))
     {
@@ -286,7 +286,7 @@ static TDB *TASK_Create( NE_MODULE *pModule, UINT16 cmdShow, LPCSTR cmdline, BYT
 
       /* Create the thunks block */
 
-    TASK_CreateThunks( hTask, (char *)&pTask->thunks - (char *)pTask, 7 );
+    TASK_CreateThunks( hTask, (char *)pTask->thunks - (char *)pTask, 7 );
 
       /* Copy the module name */
 
@@ -315,7 +315,7 @@ static TDB *TASK_Create( NE_MODULE *pModule, UINT16 cmdShow, LPCSTR cmdline, BYT
     pTask->pdb.savedint23 = 0;
     pTask->pdb.savedint24 = 0;
     pTask->pdb.fileHandlesPtr =
-        MAKESEGPTR( GlobalHandleToSel16(pTask->hPDB), (int)&((PDB16 *)0)->fileHandles );
+        MAKESEGPTR( GlobalHandleToSel16(pTask->hPDB), FIELD_OFFSET( PDB16, fileHandles ));
     pTask->pdb.hFileHandles = 0;
     memset( pTask->pdb.fileHandles, 0xff, sizeof(pTask->pdb.fileHandles) );
     /* FIXME: should we make a copy of the environment? */
@@ -348,7 +348,7 @@ static TDB *TASK_Create( NE_MODULE *pModule, UINT16 cmdShow, LPCSTR cmdline, BYT
 
       /* Default DTA overwrites command line */
 
-    pTask->dta = MAKESEGPTR( pTask->hPDB, (int)&pTask->pdb.cmdLine - (int)&pTask->pdb );
+    pTask->dta = MAKESEGPTR( pTask->hPDB, FIELD_OFFSET( PDB16, cmdLine ));
 
     /* Create scheduler event for 16-bit tasks */