diff --git a/gcc/ada/aspects.ads b/gcc/ada/aspects.ads
index 202d42193d1..140fb7c8fe1 100644
--- a/gcc/ada/aspects.ads
+++ b/gcc/ada/aspects.ads
@@ -114,7 +114,6 @@ package Aspects is
       Aspect_Linker_Section,                -- GNAT
       Aspect_Local_Restrictions,            -- GNAT
       Aspect_Machine_Radix,
-      Aspect_Max_Entry_Queue_Depth,         -- GNAT
       Aspect_Max_Entry_Queue_Length,
       Aspect_Max_Queue_Length,              -- GNAT
       Aspect_Object_Size,
@@ -304,7 +303,6 @@ package Aspects is
       Aspect_Linker_Section             => True,
       Aspect_Local_Restrictions         => True,
       Aspect_Lock_Free                  => True,
-      Aspect_Max_Entry_Queue_Depth      => True,
       Aspect_Max_Queue_Length           => True,
       Aspect_No_Caching                 => True,
       Aspect_No_Elaboration_Code_All    => True,
@@ -450,7 +448,6 @@ package Aspects is
       Aspect_Linker_Section             => Expression,
       Aspect_Local_Restrictions         => Expression,
       Aspect_Machine_Radix              => Expression,
-      Aspect_Max_Entry_Queue_Depth      => Expression,
       Aspect_Max_Entry_Queue_Length     => Expression,
       Aspect_Max_Queue_Length           => Expression,
       Aspect_Object_Size                => Expression,
@@ -549,7 +546,6 @@ package Aspects is
       Aspect_Linker_Section               => True,
       Aspect_Local_Restrictions           => False,
       Aspect_Machine_Radix                => True,
-      Aspect_Max_Entry_Queue_Depth        => False,
       Aspect_Max_Entry_Queue_Length       => False,
       Aspect_Max_Queue_Length             => False,
       Aspect_Object_Size                  => True,
@@ -732,7 +728,6 @@ package Aspects is
       Aspect_Lock_Free                    => Name_Lock_Free,
       Aspect_Local_Restrictions           => Name_Local_Restrictions,
       Aspect_Machine_Radix                => Name_Machine_Radix,
-      Aspect_Max_Entry_Queue_Depth        => Name_Max_Entry_Queue_Depth,
       Aspect_Max_Entry_Queue_Length       => Name_Max_Entry_Queue_Length,
       Aspect_Max_Queue_Length             => Name_Max_Queue_Length,
       Aspect_No_Caching                   => Name_No_Caching,
@@ -1046,7 +1041,6 @@ package Aspects is
       Aspect_Initial_Condition            => Never_Delay,
       Aspect_Local_Restrictions           => Never_Delay,
       Aspect_Initializes                  => Never_Delay,
-      Aspect_Max_Entry_Queue_Depth        => Never_Delay,
       Aspect_Max_Entry_Queue_Length       => Never_Delay,
       Aspect_Max_Queue_Length             => Never_Delay,
       Aspect_No_Caching                   => Never_Delay,
diff --git a/gcc/ada/exp_ch9.adb b/gcc/ada/exp_ch9.adb
index 890bd038c5b..a8c70598fa5 100644
--- a/gcc/ada/exp_ch9.adb
+++ b/gcc/ada/exp_ch9.adb
@@ -9376,8 +9376,7 @@ package body Exp_Ch9 is
             Need_Array : Boolean := False;
 
          begin
-            --  First check if there is any Max_Queue_Length,
-            --  Max_Entry_Queue_Length or Max_Entry_Queue_Depth pragma.
+            --  First check if there is any Max_[Entry_]Queue_Length pragma
 
             Item := First_Entity (Prot_Typ);
             while Present (Item) loop
diff --git a/gcc/ada/par-prag.adb b/gcc/ada/par-prag.adb
index 4d10a6e060a..04eed22031a 100644
--- a/gcc/ada/par-prag.adb
+++ b/gcc/ada/par-prag.adb
@@ -1484,7 +1484,6 @@ begin
          | Pragma_Machine_Attribute
          | Pragma_Main
          | Pragma_Main_Storage
-         | Pragma_Max_Entry_Queue_Depth
          | Pragma_Max_Entry_Queue_Length
          | Pragma_Max_Queue_Length
          | Pragma_Memory_Size
diff --git a/gcc/ada/sem_ch13.adb b/gcc/ada/sem_ch13.adb
index a35b67eddc8..f2f1b0cb853 100644
--- a/gcc/ada/sem_ch13.adb
+++ b/gcc/ada/sem_ch13.adb
@@ -1449,7 +1449,6 @@ package body Sem_Ch13 is
       --    Global
       --    Initial_Condition
       --    Initializes
-      --    Max_Entry_Queue_Depth
       --    Max_Entry_Queue_Length
       --    Max_Queue_Length
       --    No_Caching
@@ -3759,19 +3758,6 @@ package body Sem_Ch13 is
                   goto Continue;
                end Initializes;
 
-               --  Max_Entry_Queue_Depth
-
-               when Aspect_Max_Entry_Queue_Depth =>
-                  Aitem := Make_Aitem_Pragma
-                    (Pragma_Argument_Associations => New_List (
-                       Make_Pragma_Argument_Association (Loc,
-                         Expression => Relocate_Node (Expr))),
-                     Pragma_Name => Name_Max_Entry_Queue_Depth);
-
-                  Decorate (Aspect, Aitem);
-                  Insert_Pragma (Aitem);
-                  goto Continue;
-
                --  Max_Entry_Queue_Length
 
                when Aspect_Max_Entry_Queue_Length =>
@@ -11551,7 +11537,6 @@ package body Sem_Ch13 is
             | Aspect_Implicit_Dereference
             | Aspect_Initial_Condition
             | Aspect_Initializes
-            | Aspect_Max_Entry_Queue_Depth
             | Aspect_Max_Entry_Queue_Length
             | Aspect_Max_Queue_Length
             | Aspect_Obsolescent
diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index d3b29089d77..772bf1b1abb 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -20464,11 +20464,7 @@ package body Sem_Prag is
 
          --  pragma Max_Entry_Queue_Length (static_integer_EXPRESSION);
 
-         --  This processing is shared by Pragma_Max_Entry_Queue_Depth and
-         --  Pragma_Max_Queue_Length.
-
          when Pragma_Max_Entry_Queue_Length
-            | Pragma_Max_Entry_Queue_Depth
             | Pragma_Max_Queue_Length
          =>
          Max_Entry_Queue_Length : declare
@@ -20478,9 +20474,7 @@ package body Sem_Prag is
             Val        : Uint;
 
          begin
-            if Prag_Id = Pragma_Max_Entry_Queue_Depth
-              or else Prag_Id = Pragma_Max_Queue_Length
-            then
+            if Prag_Id = Pragma_Max_Queue_Length then
                GNAT_Pragma;
             end if;
 
@@ -20516,10 +20510,6 @@ package body Sem_Prag is
                   and then
                 Prag_Id /= Pragma_Max_Entry_Queue_Length)
                  or else
-               (Has_Rep_Pragma (Entry_Id, Name_Max_Entry_Queue_Depth)
-                  and then
-                Prag_Id /= Pragma_Max_Entry_Queue_Depth)
-                 or else
                (Has_Rep_Pragma (Entry_Id, Name_Max_Queue_Length)
                   and then
                 Prag_Id /= Pragma_Max_Queue_Length)
@@ -32766,7 +32756,6 @@ package body Sem_Prag is
       Pragma_Machine_Attribute              => -1,
       Pragma_Main                           => -1,
       Pragma_Main_Storage                   => -1,
-      Pragma_Max_Entry_Queue_Depth          =>  0,
       Pragma_Max_Entry_Queue_Length         =>  0,
       Pragma_Max_Queue_Length               =>  0,
       Pragma_Memory_Size                    =>  0,
diff --git a/gcc/ada/sem_prag.ads b/gcc/ada/sem_prag.ads
index 42c38d8e126..59220ea890c 100644
--- a/gcc/ada/sem_prag.ads
+++ b/gcc/ada/sem_prag.ads
@@ -467,7 +467,6 @@ package Sem_Prag is
    --    Extensions_Visible
    --    Global
    --    Initializes
-   --    Max_Entry_Queue_Depth
    --    Max_Entry_Queue_Length
    --    Max_Queue_Length
    --    Post
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 8479e8c4661..7f5d70245dd 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -10709,8 +10709,6 @@ package body Sem_Util is
    function Get_Max_Queue_Length (Id : Entity_Id) return Uint is
       pragma Assert (Is_Entry (Id));
       PMQL  : constant Entity_Id := Get_Pragma (Id, Pragma_Max_Queue_Length);
-      PMEQD : constant Entity_Id :=
-         Get_Pragma (Id, Pragma_Max_Entry_Queue_Depth);
       PMEQL : constant Entity_Id :=
          Get_Pragma (Id, Pragma_Max_Entry_Queue_Length);
       Max   : Uint;
@@ -10725,9 +10723,6 @@ package body Sem_Util is
       if Present (PMQL) then
          Max := Expr_Value
             (Expression (First (Pragma_Argument_Associations (PMQL))));
-      elsif Present (PMEQD) then
-         Max := Expr_Value
-            (Expression (First (Pragma_Argument_Associations (PMEQD))));
       elsif Present (PMEQL) then
          Max := Expr_Value
             (Expression (First (Pragma_Argument_Associations (PMEQL))));
@@ -12224,9 +12219,9 @@ package body Sem_Util is
       return
         Ekind (Id) = E_Entry
           and then
-        (Present (Get_Pragma (Id, Pragma_Max_Queue_Length)) or else
-         Present (Get_Pragma (Id, Pragma_Max_Entry_Queue_Depth)) or else
-         Present (Get_Pragma (Id, Pragma_Max_Entry_Queue_Length)));
+            (Present (Get_Pragma (Id, Pragma_Max_Queue_Length))
+              or else
+             Present (Get_Pragma (Id, Pragma_Max_Entry_Queue_Length)));
    end Has_Max_Queue_Length;
 
    ---------------------------------
diff --git a/gcc/ada/snames.ads-tmpl b/gcc/ada/snames.ads-tmpl
index d2f724f86ca..ade933e0bbc 100644
--- a/gcc/ada/snames.ads-tmpl
+++ b/gcc/ada/snames.ads-tmpl
@@ -613,7 +613,6 @@ package Snames is
    Name_Machine_Attribute              : constant Name_Id := N + $; -- GNAT
    Name_Main                           : constant Name_Id := N + $; -- GNAT
    Name_Main_Storage                   : constant Name_Id := N + $; -- GNAT
-   Name_Max_Entry_Queue_Depth          : constant Name_Id := N + $; -- GNAT
    Name_Max_Entry_Queue_Length         : constant Name_Id := N + $; -- Ada 12
    Name_Max_Queue_Length               : constant Name_Id := N + $; -- GNAT
    Name_Memory_Size                    : constant Name_Id := N + $; -- Ada 83
@@ -829,6 +828,7 @@ package Snames is
    Name_Link_Name                      : constant Name_Id := N + $;
    Name_Low_Order_First                : constant Name_Id := N + $;
    Name_Lowercase                      : constant Name_Id := N + $;
+   Name_Max_Entry_Queue_Depth          : constant Name_Id := N + $;
    Name_Max_Size                       : constant Name_Id := N + $;
    Name_Mechanism                      : constant Name_Id := N + $;
    Name_Message                        : constant Name_Id := N + $;
@@ -1900,7 +1900,6 @@ package Snames is
       Pragma_Machine_Attribute,
       Pragma_Main,
       Pragma_Main_Storage,
-      Pragma_Max_Entry_Queue_Depth,
       Pragma_Max_Entry_Queue_Length,
       Pragma_Max_Queue_Length,
       Pragma_Memory_Size,
