diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index f0aeb20fa63bb9aff3766cc1aca59ea0991723a0..43df4487379be556337659302ca3791828376614 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -125,9 +125,6 @@ send_ndp = 1
 send_ackvec = 1
 	Whether or not to send Ack Vector options (sec. 11.5).
 
-ack_ratio = 2
-	The default Ack Ratio (sec. 11.3) to use.
-
 tx_ccid = 2
 	Default CCID for the sender-receiver half-connection.
 
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 5a5a89935dbc361ddc3f94baf08685df181b858a..eda389ce04f42019091be7f0d88eef633094f927 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -368,7 +368,6 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
   * @dccpms_ccid - Congestion Control Id (CCID) (section 10)
   * @dccpms_send_ack_vector - Send Ack Vector Feature (section 11.5)
   * @dccpms_send_ndp_count - Send NDP Count Feature (7.7.2)
-  * @dccpms_ack_ratio - Ack Ratio Feature (section 11.3)
   * @dccpms_pending - List of features being negotiated
   * @dccpms_conf -
   */
@@ -378,7 +377,6 @@ struct dccp_minisock {
 	__u8			dccpms_tx_ccid;
 	__u8			dccpms_send_ack_vector;
 	__u8			dccpms_send_ndp_count;
-	__u8			dccpms_ack_ratio;
 	struct list_head	dccpms_pending;
 	struct list_head	dccpms_conf;
 };
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index e656dafb5d96bbdd13e65221d870665f8086cf39..031ce350d3c1b97867e5cf53988312bc2f122d27 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -98,7 +98,6 @@ extern int  sysctl_dccp_retries2;
 extern int  sysctl_dccp_feat_sequence_window;
 extern int  sysctl_dccp_feat_rx_ccid;
 extern int  sysctl_dccp_feat_tx_ccid;
-extern int  sysctl_dccp_feat_ack_ratio;
 extern int  sysctl_dccp_feat_send_ack_vector;
 extern int  sysctl_dccp_feat_send_ndp_count;
 extern int  sysctl_dccp_tx_qlen;
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index e487133ae079667e904e8d3f539921af9e61903b..ee7f40f8ddfae3b44e9b9ae16b5dbfa0fc638e77 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -47,7 +47,6 @@ void dccp_minisock_init(struct dccp_minisock *dmsk)
 	dmsk->dccpms_sequence_window = sysctl_dccp_feat_sequence_window;
 	dmsk->dccpms_rx_ccid	     = sysctl_dccp_feat_rx_ccid;
 	dmsk->dccpms_tx_ccid	     = sysctl_dccp_feat_tx_ccid;
-	dmsk->dccpms_ack_ratio	     = sysctl_dccp_feat_ack_ratio;
 	dmsk->dccpms_send_ack_vector = sysctl_dccp_feat_send_ack_vector;
 	dmsk->dccpms_send_ndp_count  = sysctl_dccp_feat_send_ndp_count;
 }
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 67a171a1268ccd360c86a387db2c14df0092a8be..515ad45013adc1baaf1f6a09f00c7884f6b04925 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -26,7 +26,6 @@
 int sysctl_dccp_feat_sequence_window = DCCPF_INITIAL_SEQUENCE_WINDOW;
 int sysctl_dccp_feat_rx_ccid	      = DCCPF_INITIAL_CCID;
 int sysctl_dccp_feat_tx_ccid	      = DCCPF_INITIAL_CCID;
-int sysctl_dccp_feat_ack_ratio	      = DCCPF_INITIAL_ACK_RATIO;
 int sysctl_dccp_feat_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
 int sysctl_dccp_feat_send_ndp_count  = DCCPF_INITIAL_SEND_NDP_COUNT;
 
diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c
index 21295993fdb84f2dd53dea972b137eb95395aca2..f6e54f433e29993a13c610cbba3b3902bb4005a0 100644
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -40,13 +40,6 @@ static struct ctl_table dccp_default_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-	{
-		.procname	= "ack_ratio",
-		.data		= &sysctl_dccp_feat_ack_ratio,
-		.maxlen		= sizeof(sysctl_dccp_feat_ack_ratio),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
 	{
 		.procname	= "send_ackvec",
 		.data		= &sysctl_dccp_feat_send_ack_vector,