diff --git a/dlls/kernel/kernel32.spec b/dlls/kernel/kernel32.spec
index 024541cdb3b..61fb303898c 100644
--- a/dlls/kernel/kernel32.spec
+++ b/dlls/kernel/kernel32.spec
@@ -1159,4 +1159,3 @@
 @ cdecl LOCAL_Size(long long)
 @ cdecl LOCAL_Unlock(long long)
 @ stdcall NE_DefResourceHandler(long long long)
-@ cdecl SELECTOR_AllocBlock(ptr long long)
diff --git a/dlls/winedos/himem.c b/dlls/winedos/himem.c
index 748f7542561..32b9c589c70 100644
--- a/dlls/winedos/himem.c
+++ b/dlls/winedos/himem.c
@@ -19,7 +19,6 @@
  */
 
 #include "dosexe.h"
-#include "selectors.h"
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(dosmem);
@@ -83,12 +82,36 @@ LPVOID DOSVM_AllocUMB( DWORD size )
 }
 
 
+/**********************************************************************
+ *          alloc_selector
+ *
+ * Allocate a selector corresponding to a real mode address.
+ * size must be < 64k.
+ */
+static WORD alloc_selector( void *base, DWORD size, unsigned char flags )
+{
+    WORD sel = wine_ldt_alloc_entries( 1 );
+
+    if (sel)
+    {
+        LDT_ENTRY entry;
+        wine_ldt_set_base( &entry, base );
+        wine_ldt_set_limit( &entry, size - 1 );
+        wine_ldt_set_flags( &entry, flags );
+        wine_ldt_set_entry( sel, &entry );
+    }
+    return sel;
+}
+
+
 /***********************************************************************
  *           DOSVM_AllocCodeUMB
  *
  * Allocate upper memory block for storing code stubs.
  * Initializes real mode segment and 16-bit protected mode selector 
  * for the allocated code block.
+ *
+ * FIXME: should allocate a single PM selector for the whole UMB range.
  */
 LPVOID DOSVM_AllocCodeUMB( DWORD size, WORD *segment, WORD *selector )
 {
@@ -98,7 +121,7 @@ LPVOID DOSVM_AllocCodeUMB( DWORD size, WORD *segment, WORD *selector )
     *segment = (DWORD)ptr >> 4;
 
   if (selector)
-    *selector = SELECTOR_AllocBlock( ptr, size, WINE_LDT_FLAGS_CODE );
+    *selector = alloc_selector( ptr, size, WINE_LDT_FLAGS_CODE );
 
   return ptr;
 }
@@ -119,7 +142,7 @@ LPVOID DOSVM_AllocDataUMB( DWORD size, WORD *segment, WORD *selector )
     *segment = (DWORD)ptr >> 4;
 
   if (selector)
-    *selector = SELECTOR_AllocBlock( ptr, size, WINE_LDT_FLAGS_DATA );
+    *selector = alloc_selector( ptr, size, WINE_LDT_FLAGS_DATA );
 
   return ptr;
 }
diff --git a/dlls/winedos/int31.c b/dlls/winedos/int31.c
index ff54f57b495..70602bda4dd 100644
--- a/dlls/winedos/int31.c
+++ b/dlls/winedos/int31.c
@@ -29,7 +29,6 @@
 #include "wownt32.h"
 #include "task.h"
 #include "dosexe.h"
-#include "selectors.h"
 
 #include "excpt.h"
 #include "wine/debug.h"
@@ -83,6 +82,27 @@ BOOL DOSVM_IsDos32(void)
 }
 
 
+/**********************************************************************
+ *          alloc_pm_selector
+ *
+ * Allocate a 64k sized selector corresponding to a real mode segment.
+ */
+static WORD alloc_pm_selector( WORD seg, unsigned char flags )
+{
+    WORD sel = wine_ldt_alloc_entries( 1 );
+
+    if (sel)
+    {
+        LDT_ENTRY entry;
+        wine_ldt_set_base( &entry, (void *)(seg << 4) );
+        wine_ldt_set_limit( &entry, 0xffff );
+        wine_ldt_set_flags( &entry, flags );
+        wine_ldt_set_entry( sel, &entry );
+    }
+    return sel;
+}
+
+
 /**********************************************************************
  *          dpmi_exception_handler
  *
@@ -348,7 +368,7 @@ static void DPMI_CallRMCBProc( CONTEXT86 *context, RMCB *rmcb, WORD flag )
         DWORD esp,edi;
 
         INT_SetRealModeContext(MapSL(MAKESEGPTR( rmcb->regs_sel, rmcb->regs_ofs )), context);
-        ss = SELECTOR_AllocBlock( (void *)(context->SegSs<<4), 0x10000, WINE_LDT_FLAGS_DATA );
+        ss = alloc_pm_selector( context->SegSs, WINE_LDT_FLAGS_DATA );
         esp = context->Esp;
 
         FIXME("untested!\n");
@@ -377,7 +397,7 @@ static void DPMI_CallRMCBProc( CONTEXT86 *context, RMCB *rmcb, WORD flag )
             es = ctx.SegEs;
             edi = ctx.Edi;
         }
-	FreeSelector16(ss);
+        wine_ldt_free_entries( ss, 1 );
         INT_GetRealModeContext( MapSL( MAKESEGPTR( es, edi )), context);
 #else
         ERR("RMCBs only implemented for i386\n");
@@ -567,19 +587,19 @@ static void StartPM( CONTEXT86 *context )
     RESET_CFLAG(context);
     dpmi_flag = AX_reg(context);
 /* our mode switch wrapper have placed the desired CS into DX */
-    cs = SELECTOR_AllocBlock( (void *)(DX_reg(context)<<4), 0x10000, WINE_LDT_FLAGS_CODE );
+    cs = alloc_pm_selector( context->Edx, WINE_LDT_FLAGS_CODE );
 /* due to a flaw in some CPUs (at least mine), it is best to mark stack segments as 32-bit if they
    can be used in 32-bit code. Otherwise, these CPUs may not set the high word of esp during a
    ring transition (from kernel code) to the 16-bit stack, and this causes trouble if executing
    32-bit code using this stack. */
     if (dpmi_flag & 1) selflags |= WINE_LDT_FLAGS_32BIT;
-    ss = SELECTOR_AllocBlock( (void *)(context->SegSs<<4), 0x10000, selflags );
+    ss = alloc_pm_selector( context->SegSs, selflags );
 /* do the same for the data segments, just in case */
     if (context->SegDs == context->SegSs) ds = ss;
-    else ds = SELECTOR_AllocBlock( (void *)(context->SegDs<<4), 0x10000, selflags );
-    es = SELECTOR_AllocBlock( psp, 0x100, selflags );
+    else ds = alloc_pm_selector( context->SegDs, selflags );
+    es = alloc_pm_selector( DOSVM_psp, selflags );
 /* convert environment pointer, as the spec says, but we're a bit lazy about the size here... */
-    psp->environment = SELECTOR_AllocBlock( (void *)(env_seg<<4), 0x10000, WINE_LDT_FLAGS_DATA );
+    psp->environment = alloc_pm_selector( env_seg, WINE_LDT_FLAGS_DATA );
 
     pm_ctx = *context;
     pm_ctx.SegCs = DOSVM_dpmi_segments->dpmi_sel;
@@ -614,12 +634,12 @@ static void StartPM( CONTEXT86 *context )
     ExitThread( DPMI_retval );
 
 #if 0
-    FreeSelector16(psp->environment);
+    wine_ldt_free_entries( psp->environment, 1 );
     psp->environment = env_seg;
-    FreeSelector16(es);
-    if (ds != ss) FreeSelector16(ds);
-    FreeSelector16(ss);
-    FreeSelector16(cs);
+    wine_ldt_free_entries(es,1);
+    if (ds != ss) wine_ldt_free_entries(ds,1);
+    wine_ldt_free_entries(ss,1);
+    wine_ldt_free_entries(cs,1);
 #endif
 }