diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 73dfc40f5fe8..613ee3601568 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -448,15 +448,6 @@ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info);
 void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
 #endif	/* CONFIG_PCIEAER */
 
-#ifdef CONFIG_PCIEPORTBUS
-/* Cached RCEC Endpoint Association */
-struct rcec_ea {
-	u8		nextbusn;
-	u8		lastbusn;
-	u32		bitmap;
-};
-#endif
-
 #ifdef CONFIG_PCIE_DPC
 void pci_save_dpc_state(struct pci_dev *dev);
 void pci_restore_dpc_state(struct pci_dev *dev);
@@ -471,14 +462,6 @@ static inline void pci_dpc_init(struct pci_dev *pdev) {}
 static inline bool pci_dpc_recovered(struct pci_dev *pdev) { return false; }
 #endif
 
-#ifdef CONFIG_PCIEPORTBUS
-void pci_rcec_init(struct pci_dev *dev);
-void pci_rcec_exit(struct pci_dev *dev);
-#else
-static inline void pci_rcec_init(struct pci_dev *dev) {}
-static inline void pci_rcec_exit(struct pci_dev *dev) {}
-#endif
-
 #ifdef CONFIG_PCI_ATS
 /* Address Translation Service */
 void pci_ats_init(struct pci_dev *dev);
diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile
index b2980db88cc0..9a7085668466 100644
--- a/drivers/pci/pcie/Makefile
+++ b/drivers/pci/pcie/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for PCI Express features and port driver
 
-pcieportdrv-y			:= portdrv_core.o portdrv_pci.o err.o rcec.o
+pcieportdrv-y			:= portdrv_core.o portdrv_pci.o err.o
 
 obj-$(CONFIG_PCIEPORTBUS)	+= pcieportdrv.o
 
diff --git a/drivers/pci/pcie/rcec.c b/drivers/pci/pcie/rcec.c
deleted file mode 100644
index 038e9d706d5f..000000000000
--- a/drivers/pci/pcie/rcec.c
+++ /dev/null
@@ -1,59 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Root Complex Event Collector Support
- *
- * Authors:
- *  Sean V Kelley <sean.v.kelley@intel.com>
- *  Qiuxu Zhuo <qiuxu.zhuo@intel.com>
- *
- * Copyright (C) 2020 Intel Corp.
- */
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/pci_regs.h>
-
-#include "../pci.h"
-
-void pci_rcec_init(struct pci_dev *dev)
-{
-	struct rcec_ea *rcec_ea;
-	u32 rcec, hdr, busn;
-	u8 ver;
-
-	/* Only for Root Complex Event Collectors */
-	if (pci_pcie_type(dev) != PCI_EXP_TYPE_RC_EC)
-		return;
-
-	rcec = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_RCEC);
-	if (!rcec)
-		return;
-
-	rcec_ea = kzalloc(sizeof(*rcec_ea), GFP_KERNEL);
-	if (!rcec_ea)
-		return;
-
-	pci_read_config_dword(dev, rcec + PCI_RCEC_RCIEP_BITMAP,
-			      &rcec_ea->bitmap);
-
-	/* Check whether RCEC BUSN register is present */
-	pci_read_config_dword(dev, rcec, &hdr);
-	ver = PCI_EXT_CAP_VER(hdr);
-	if (ver >= PCI_RCEC_BUSN_REG_VER) {
-		pci_read_config_dword(dev, rcec + PCI_RCEC_BUSN, &busn);
-		rcec_ea->nextbusn = PCI_RCEC_BUSN_NEXT(busn);
-		rcec_ea->lastbusn = PCI_RCEC_BUSN_LAST(busn);
-	} else {
-		/* Avoid later ver check by setting nextbusn */
-		rcec_ea->nextbusn = 0xff;
-		rcec_ea->lastbusn = 0x00;
-	}
-
-	dev->rcec_ea = rcec_ea;
-}
-
-void pci_rcec_exit(struct pci_dev *dev)
-{
-	kfree(dev->rcec_ea);
-	dev->rcec_ea = NULL;
-}
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ab106d2a9947..ece90a23936d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2216,7 +2216,6 @@ static void pci_configure_device(struct pci_dev *dev)
 static void pci_release_capabilities(struct pci_dev *dev)
 {
 	pci_aer_exit(dev);
-	pci_rcec_exit(dev);
 	pci_vpd_release(dev);
 	pci_iov_release(dev);
 	pci_free_cap_save_buffers(dev);
@@ -2417,7 +2416,6 @@ static void pci_init_capabilities(struct pci_dev *dev)
 	pci_ptm_init(dev);		/* Precision Time Measurement */
 	pci_aer_init(dev);		/* Advanced Error Reporting */
 	pci_dpc_init(dev);		/* Downstream Port Containment */
-	pci_rcec_init(dev);		/* Root Complex Event Collector */
 
 	pcie_report_downtraining(dev);
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8fd5532aca85..ad6ff6984652 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -307,7 +307,6 @@ struct pcie_link_state;
 struct pci_vpd;
 struct pci_sriov;
 struct pci_p2pdma;
-struct rcec_ea;
 
 /* The pci_dev structure describes PCI devices */
 struct pci_dev {
@@ -330,9 +329,6 @@ struct pci_dev {
 #ifdef CONFIG_PCIEAER
 	u16		aer_cap;	/* AER capability offset */
 	struct aer_stats *aer_stats;	/* AER stats for this device */
-#endif
-#ifdef CONFIG_PCIEPORTBUS
-	struct rcec_ea	*rcec_ea;	/* RCEC cached endpoint association */
 #endif
 	u8		pcie_cap;	/* PCIe capability offset */
 	u8		msi_cap;	/* MSI capability offset */