diff --git a/src/backend/access/brin/brin.c b/src/backend/access/brin/brin.c
index 25338a90e2..f0eac078e0 100644
--- a/src/backend/access/brin/brin.c
+++ b/src/backend/access/brin/brin.c
@@ -297,7 +297,7 @@ brininsert(Relation idxRel, Datum *values, bool *nulls,
 							   samepage))
 			{
 				/* no luck; start over */
-				MemoryContextResetAndDeleteChildren(tupcxt);
+				MemoryContextReset(tupcxt);
 				continue;
 			}
 		}
@@ -533,7 +533,7 @@ bringetbitmap(IndexScanDesc scan, TIDBitmap *tbm)
 
 		CHECK_FOR_INTERRUPTS();
 
-		MemoryContextResetAndDeleteChildren(perRangeCxt);
+		MemoryContextReset(perRangeCxt);
 
 		tup = brinGetTupleForHeapBlock(opaque->bo_rmAccess, heapBlk, &buf,
 									   &off, &size, BUFFER_LOCK_SHARE);
diff --git a/src/backend/access/gin/ginscan.c b/src/backend/access/gin/ginscan.c
index ae7b0e9bb8..f719577695 100644
--- a/src/backend/access/gin/ginscan.c
+++ b/src/backend/access/gin/ginscan.c
@@ -251,7 +251,7 @@ ginFreeScanKeys(GinScanOpaque so)
 			tbm_free(entry->matchBitmap);
 	}
 
-	MemoryContextResetAndDeleteChildren(so->keyCtx);
+	MemoryContextReset(so->keyCtx);
 
 	so->keys = NULL;
 	so->nkeys = 0;
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
index 8fad8ffa1e..536edb3792 100644
--- a/src/backend/access/transam/xact.c
+++ b/src/backend/access/transam/xact.c
@@ -1933,7 +1933,7 @@ AtCleanup_Memory(void)
 	 * Clear the special abort context for next time.
 	 */
 	if (TransactionAbortContext != NULL)
-		MemoryContextResetAndDeleteChildren(TransactionAbortContext);
+		MemoryContextReset(TransactionAbortContext);
 
 	/*
 	 * Release all transaction-local memory.
@@ -1969,7 +1969,7 @@ AtSubCleanup_Memory(void)
 	 * Clear the special abort context for next time.
 	 */
 	if (TransactionAbortContext != NULL)
-		MemoryContextResetAndDeleteChildren(TransactionAbortContext);
+		MemoryContextReset(TransactionAbortContext);
 
 	/*
 	 * Delete the subxact local memory contexts. Its CurTransactionContext can
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
index 206d1689ef..e264ffdcf2 100644
--- a/src/backend/commands/analyze.c
+++ b/src/backend/commands/analyze.c
@@ -583,7 +583,7 @@ do_analyze_rel(Relation onerel, VacuumParams *params,
 					stats->stadistinct = n_distinct;
 			}
 
-			MemoryContextResetAndDeleteChildren(col_context);
+			MemoryContextReset(col_context);
 		}
 
 		if (nindexes > 0)
@@ -972,7 +972,7 @@ compute_index_stats(Relation onerel, double totalrows,
 									 numindexrows,
 									 totalindexrows);
 
-				MemoryContextResetAndDeleteChildren(col_context);
+				MemoryContextReset(col_context);
 			}
 		}
 
@@ -981,7 +981,7 @@ compute_index_stats(Relation onerel, double totalrows,
 
 		ExecDropSingleTupleTableSlot(slot);
 		FreeExecutorState(estate);
-		MemoryContextResetAndDeleteChildren(ind_context);
+		MemoryContextReset(ind_context);
 	}
 
 	MemoryContextSwitchTo(old_context);
diff --git a/src/backend/executor/nodeRecursiveunion.c b/src/backend/executor/nodeRecursiveunion.c
index e781003934..3207643156 100644
--- a/src/backend/executor/nodeRecursiveunion.c
+++ b/src/backend/executor/nodeRecursiveunion.c
@@ -317,7 +317,7 @@ ExecReScanRecursiveUnion(RecursiveUnionState *node)
 
 	/* Release any hashtable storage */
 	if (node->tableContext)
-		MemoryContextResetAndDeleteChildren(node->tableContext);
+		MemoryContextReset(node->tableContext);
 
 	/* Empty hashtable if needed */
 	if (plan->numCols > 0)
diff --git a/src/backend/executor/nodeSetOp.c b/src/backend/executor/nodeSetOp.c
index 98c1b84d43..5a84969cf8 100644
--- a/src/backend/executor/nodeSetOp.c
+++ b/src/backend/executor/nodeSetOp.c
@@ -631,7 +631,7 @@ ExecReScanSetOp(SetOpState *node)
 
 	/* Release any hashtable storage */
 	if (node->tableContext)
-		MemoryContextResetAndDeleteChildren(node->tableContext);
+		MemoryContextReset(node->tableContext);
 
 	/* And rebuild empty hashtable if needed */
 	if (((SetOp *) node->ps.plan)->strategy == SETOP_HASHED)
diff --git a/src/backend/executor/nodeWindowAgg.c b/src/backend/executor/nodeWindowAgg.c
index 77724a6daa..3258305f57 100644
--- a/src/backend/executor/nodeWindowAgg.c
+++ b/src/backend/executor/nodeWindowAgg.c
@@ -216,7 +216,7 @@ initialize_windowaggregate(WindowAggState *winstate,
 	 * it, so we must leave it to the caller to reset at an appropriate time.
 	 */
 	if (peraggstate->aggcontext != winstate->aggcontext)
-		MemoryContextResetAndDeleteChildren(peraggstate->aggcontext);
+		MemoryContextReset(peraggstate->aggcontext);
 
 	if (peraggstate->initValueIsNull)
 		peraggstate->transValue = peraggstate->initValue;
@@ -875,7 +875,7 @@ eval_windowaggregates(WindowAggState *winstate)
 	 * result for it, else we'll leak memory.
 	 */
 	if (numaggs_restart > 0)
-		MemoryContextResetAndDeleteChildren(winstate->aggcontext);
+		MemoryContextReset(winstate->aggcontext);
 	for (i = 0; i < numaggs; i++)
 	{
 		peraggstate = &winstate->peragg[i];
@@ -1351,12 +1351,12 @@ release_partition(WindowAggState *winstate)
 	 * any aggregate temp data).  We don't rely on retail pfree because some
 	 * aggregates might have allocated data we don't have direct pointers to.
 	 */
-	MemoryContextResetAndDeleteChildren(winstate->partcontext);
-	MemoryContextResetAndDeleteChildren(winstate->aggcontext);
+	MemoryContextReset(winstate->partcontext);
+	MemoryContextReset(winstate->aggcontext);
 	for (i = 0; i < winstate->numaggs; i++)
 	{
 		if (winstate->peragg[i].aggcontext != winstate->aggcontext)
-			MemoryContextResetAndDeleteChildren(winstate->peragg[i].aggcontext);
+			MemoryContextReset(winstate->peragg[i].aggcontext);
 	}
 
 	if (winstate->buffer)
diff --git a/src/backend/executor/spi.c b/src/backend/executor/spi.c
index 33975687b3..0e46c59d25 100644
--- a/src/backend/executor/spi.c
+++ b/src/backend/executor/spi.c
@@ -547,7 +547,7 @@ AtEOSubXact_SPI(bool isCommit, SubTransactionId mySubid)
 		if (_SPI_current->execSubid >= mySubid)
 		{
 			_SPI_current->execSubid = InvalidSubTransactionId;
-			MemoryContextResetAndDeleteChildren(_SPI_current->execCxt);
+			MemoryContextReset(_SPI_current->execCxt);
 		}
 
 		/* throw away any tuple tables created within current subxact */
@@ -3083,7 +3083,7 @@ _SPI_end_call(bool use_exec)
 		/* mark Executor context no longer in use */
 		_SPI_current->execSubid = InvalidSubTransactionId;
 		/* and free Executor memory */
-		MemoryContextResetAndDeleteChildren(_SPI_current->execCxt);
+		MemoryContextReset(_SPI_current->execCxt);
 	}
 
 	return 0;
diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index 3a6f24a023..86a3b3d8be 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -555,7 +555,7 @@ AutoVacLauncherMain(int argc, char *argv[])
 		FlushErrorState();
 
 		/* Flush any leaked data in the top-level context */
-		MemoryContextResetAndDeleteChildren(AutovacMemCxt);
+		MemoryContextReset(AutovacMemCxt);
 
 		/* don't leave dangling pointers to freed memory */
 		DatabaseListCxt = NULL;
@@ -2521,7 +2521,7 @@ do_autovacuum(void)
 
 
 		/* clean up memory before each iteration */
-		MemoryContextResetAndDeleteChildren(PortalContext);
+		MemoryContextReset(PortalContext);
 
 		/*
 		 * Save the relation name for a possible error message, to avoid a
@@ -2576,7 +2576,7 @@ do_autovacuum(void)
 			/* this resets ProcGlobal->statusFlags[i] too */
 			AbortOutOfAnyTransaction();
 			FlushErrorState();
-			MemoryContextResetAndDeleteChildren(PortalContext);
+			MemoryContextReset(PortalContext);
 
 			/* restart our transaction for the following operations */
 			StartTransactionCommand();
@@ -2718,7 +2718,7 @@ perform_work_item(AutoVacuumWorkItem *workitem)
 	autovac_report_workitem(workitem, cur_nspname, cur_relname);
 
 	/* clean up memory before each work item */
-	MemoryContextResetAndDeleteChildren(PortalContext);
+	MemoryContextReset(PortalContext);
 
 	/*
 	 * We will abort the current work item if something errors out, and
@@ -2770,7 +2770,7 @@ perform_work_item(AutoVacuumWorkItem *workitem)
 		/* this resets ProcGlobal->statusFlags[i] too */
 		AbortOutOfAnyTransaction();
 		FlushErrorState();
-		MemoryContextResetAndDeleteChildren(PortalContext);
+		MemoryContextReset(PortalContext);
 
 		/* restart our transaction for the following operations */
 		StartTransactionCommand();
diff --git a/src/backend/postmaster/bgwriter.c b/src/backend/postmaster/bgwriter.c
index f2e4f23d9f..d02dc17b9c 100644
--- a/src/backend/postmaster/bgwriter.c
+++ b/src/backend/postmaster/bgwriter.c
@@ -182,7 +182,7 @@ BackgroundWriterMain(void)
 		FlushErrorState();
 
 		/* Flush any leaked data in the top-level context */
-		MemoryContextResetAndDeleteChildren(bgwriter_context);
+		MemoryContextReset(bgwriter_context);
 
 		/* re-initialize to avoid repeated errors causing problems */
 		WritebackContextInit(&wb_context, &bgwriter_flush_after);
diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c
index a3c1aba24e..42c807d352 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -290,7 +290,7 @@ CheckpointerMain(void)
 		FlushErrorState();
 
 		/* Flush any leaked data in the top-level context */
-		MemoryContextResetAndDeleteChildren(checkpointer_context);
+		MemoryContextReset(checkpointer_context);
 
 		/* Now we can allow interrupts again */
 		RESUME_INTERRUPTS();
diff --git a/src/backend/postmaster/walwriter.c b/src/backend/postmaster/walwriter.c
index 266fbc2339..48bc92205b 100644
--- a/src/backend/postmaster/walwriter.c
+++ b/src/backend/postmaster/walwriter.c
@@ -178,7 +178,7 @@ WalWriterMain(void)
 		FlushErrorState();
 
 		/* Flush any leaked data in the top-level context */
-		MemoryContextResetAndDeleteChildren(walwriter_context);
+		MemoryContextReset(walwriter_context);
 
 		/* Now we can allow interrupts again */
 		RESUME_INTERRUPTS();
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c
index 52a9f136ab..21abf34ef7 100644
--- a/src/backend/replication/logical/worker.c
+++ b/src/backend/replication/logical/worker.c
@@ -3647,7 +3647,7 @@ LogicalRepApplyLoop(XLogRecPtr last_received)
 		}
 
 		/* Cleanup the memory. */
-		MemoryContextResetAndDeleteChildren(ApplyMessageContext);
+		MemoryContextReset(ApplyMessageContext);
 		MemoryContextSwitchTo(TopMemoryContext);
 
 		/* Check if we need to exit the streaming loop. */
diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c
index 9f67a57724..7f014a0cbb 100644
--- a/src/backend/statistics/extended_stats.c
+++ b/src/backend/statistics/extended_stats.c
@@ -2237,7 +2237,7 @@ compute_expr_stats(Relation onerel, double totalrows,
 
 		ExecDropSingleTupleTableSlot(slot);
 		FreeExecutorState(estate);
-		MemoryContextResetAndDeleteChildren(expr_context);
+		MemoryContextReset(expr_context);
 	}
 
 	MemoryContextSwitchTo(old_context);
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 6a070b5d8c..e415cf1f34 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -4457,7 +4457,7 @@ PostgresMain(const char *dbname, const char *username)
 		 * query input buffer in the cleared MessageContext.
 		 */
 		MemoryContextSwitchTo(MessageContext);
-		MemoryContextResetAndDeleteChildren(MessageContext);
+		MemoryContextReset(MessageContext);
 
 		initStringInfo(&input_message);
 
diff --git a/src/backend/utils/cache/evtcache.c b/src/backend/utils/cache/evtcache.c
index 5a721a4046..879c6d87c3 100644
--- a/src/backend/utils/cache/evtcache.c
+++ b/src/backend/utils/cache/evtcache.c
@@ -91,7 +91,7 @@ BuildEventTriggerCache(void)
 		 * This can happen either because a previous rebuild failed, or
 		 * because an invalidation happened before the rebuild was complete.
 		 */
-		MemoryContextResetAndDeleteChildren(EventTriggerCacheContext);
+		MemoryContextReset(EventTriggerCacheContext);
 	}
 	else
 	{
@@ -262,7 +262,7 @@ InvalidateEventCacheCallback(Datum arg, int cacheid, uint32 hashvalue)
 	 */
 	if (EventTriggerCacheState == ETCS_VALID)
 	{
-		MemoryContextResetAndDeleteChildren(EventTriggerCacheContext);
+		MemoryContextReset(EventTriggerCacheContext);
 		EventTriggerCache = NULL;
 	}
 
diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index eeb238331e..6aeb855e49 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -1833,7 +1833,7 @@ FlushErrorState(void)
 	errordata_stack_depth = -1;
 	recursion_depth = 0;
 	/* Delete all data in ErrorContext */
-	MemoryContextResetAndDeleteChildren(ErrorContext);
+	MemoryContextReset(ErrorContext);
 }
 
 /*
diff --git a/src/include/utils/memutils.h b/src/include/utils/memutils.h
index 21640d62a6..d14e8546a6 100644
--- a/src/include/utils/memutils.h
+++ b/src/include/utils/memutils.h
@@ -66,9 +66,6 @@ extern PGDLLIMPORT MemoryContext CurTransactionContext;
 /* This is a transient link to the active portal's memory context: */
 extern PGDLLIMPORT MemoryContext PortalContext;
 
-/* Backwards compatibility macro */
-#define MemoryContextResetAndDeleteChildren(ctx) MemoryContextReset(ctx)
-
 
 /*
  * Memory-context-type-independent functions in mcxt.c