diff --git a/arch/arm64/src/imx9/imx9_edma.c b/arch/arm64/src/imx9/imx9_edma.c
index d610c5b26ae..6ae182cb398 100644
--- a/arch/arm64/src/imx9/imx9_edma.c
+++ b/arch/arm64/src/imx9/imx9_edma.c
@@ -238,11 +238,9 @@ static void imx9_tcd_free(struct imx9_edmatcd_s *tcd)
    * a TCD.
    */
 
-  flags = spin_lock_irqsave(&g_edma.lock);
-  sched_lock();
+  flags = spin_lock_irqsave_nopreempt(&g_edma.lock);
   imx9_tcd_free_nolock(tcd);
-  spin_unlock_irqrestore(&g_edma.lock, flags);
-  sched_unlock();
+  spin_unlock_irqrestore_nopreempt(&g_edma.lock, flags);
 }
 #endif
 
@@ -454,8 +452,7 @@ static void imx9_dmaterminate(struct imx9_dmach_s *dmach, int result)
 
   irqstate_t flags;
 
-  flags = spin_lock_irqsave(&g_edma.lock);
-  sched_lock();
+  flags = spin_lock_irqsave_nopreempt(&g_edma.lock);
 
   /* Disable channel IRQ requests */
 
@@ -507,8 +504,7 @@ static void imx9_dmaterminate(struct imx9_dmach_s *dmach, int result)
       callback((DMACH_HANDLE)dmach, arg, true, result);
     }
 
-  spin_unlock_irqrestore(&g_edma.lock, flags);
-  sched_unlock();
+  spin_unlock_irqrestore_nopreempt(&g_edma.lock, flags);
 }
 
 /****************************************************************************