diff --git a/configs/a3y17lte_defconfig b/configs/a3y17lte_defconfig
index 5c15d51fdc..b012b985a3 100644
--- a/configs/a3y17lte_defconfig
+++ b/configs/a3y17lte_defconfig
@@ -23,4 +23,3 @@ CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_DM_I2C_GPIO=y
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/a5y17lte_defconfig b/configs/a5y17lte_defconfig
index 7c9b6b2511..25a7d5bc98 100644
--- a/configs/a5y17lte_defconfig
+++ b/configs/a5y17lte_defconfig
@@ -23,4 +23,3 @@ CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_DM_I2C_GPIO=y
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/a7y17lte_defconfig b/configs/a7y17lte_defconfig
index c7297f7d75..c87379ab39 100644
--- a/configs/a7y17lte_defconfig
+++ b/configs/a7y17lte_defconfig
@@ -23,4 +23,3 @@ CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_DM_I2C_GPIO=y
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
index 20d2cff93f..dca6e0ca8b 100644
--- a/configs/apple_m1_defconfig
+++ b/configs/apple_m1_defconfig
@@ -26,4 +26,3 @@ CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_NO_FB_CLEAR=y
 CONFIG_VIDEO_SIMPLE=y
 # CONFIG_SMBIOS is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7981_emmc_rfb_defconfig b/configs/mt7981_emmc_rfb_defconfig
index 76ee2aa2d6..d3e833905f 100644
--- a/configs/mt7981_emmc_rfb_defconfig
+++ b/configs/mt7981_emmc_rfb_defconfig
@@ -62,4 +62,3 @@ CONFIG_MTK_SERIAL=y
 CONFIG_FAT_WRITE=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7981_rfb_defconfig b/configs/mt7981_rfb_defconfig
index 3989c79d2b..4bc2173f13 100644
--- a/configs/mt7981_rfb_defconfig
+++ b/configs/mt7981_rfb_defconfig
@@ -65,4 +65,3 @@ CONFIG_DM_SPI=y
 CONFIG_MTK_SPIM=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7981_sd_rfb_defconfig b/configs/mt7981_sd_rfb_defconfig
index 9b33245527..8721b4074a 100644
--- a/configs/mt7981_sd_rfb_defconfig
+++ b/configs/mt7981_sd_rfb_defconfig
@@ -62,4 +62,3 @@ CONFIG_MTK_SERIAL=y
 CONFIG_FAT_WRITE=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7986_rfb_defconfig b/configs/mt7986_rfb_defconfig
index 4d0cc85d0e..15c31de236 100644
--- a/configs/mt7986_rfb_defconfig
+++ b/configs/mt7986_rfb_defconfig
@@ -65,4 +65,3 @@ CONFIG_DM_SPI=y
 CONFIG_MTK_SPIM=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7986a_bpir3_emmc_defconfig b/configs/mt7986a_bpir3_emmc_defconfig
index 3c296ab803..56921f3605 100644
--- a/configs/mt7986a_bpir3_emmc_defconfig
+++ b/configs/mt7986a_bpir3_emmc_defconfig
@@ -62,4 +62,3 @@ CONFIG_MTK_SERIAL=y
 CONFIG_FAT_WRITE=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7986a_bpir3_sd_defconfig b/configs/mt7986a_bpir3_sd_defconfig
index f644070f4e..4ed06b72d5 100644
--- a/configs/mt7986a_bpir3_sd_defconfig
+++ b/configs/mt7986a_bpir3_sd_defconfig
@@ -62,4 +62,3 @@ CONFIG_MTK_SERIAL=y
 CONFIG_FAT_WRITE=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7988_rfb_defconfig b/configs/mt7988_rfb_defconfig
index d0ed2cc1c9..f7ceaceb30 100644
--- a/configs/mt7988_rfb_defconfig
+++ b/configs/mt7988_rfb_defconfig
@@ -81,4 +81,3 @@ CONFIG_MTK_SPIM=y
 CONFIG_LZO=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/mt7988_sd_rfb_defconfig b/configs/mt7988_sd_rfb_defconfig
index 5631eaa338..808c8b9011 100644
--- a/configs/mt7988_sd_rfb_defconfig
+++ b/configs/mt7988_sd_rfb_defconfig
@@ -69,4 +69,3 @@ CONFIG_MTK_SPIM=y
 CONFIG_LZO=y
 CONFIG_HEXDUMP=y
 # CONFIG_EFI_LOADER is not set
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/qcom_defconfig b/configs/qcom_defconfig
index 37966bfb20..1ce46a0625 100644
--- a/configs/qcom_defconfig
+++ b/configs/qcom_defconfig
@@ -106,4 +106,3 @@ CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_NO_FB_CLEAR=y
 CONFIG_VIDEO_SIMPLE=y
 CONFIG_HEXDUMP=y
-CONFIG_LMB_MAX_REGIONS=64
diff --git a/configs/stm32mp13_defconfig b/configs/stm32mp13_defconfig
index caaabf39ef..9aa3560c7e 100644
--- a/configs/stm32mp13_defconfig
+++ b/configs/stm32mp13_defconfig
@@ -103,6 +103,3 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0483
 CONFIG_USB_GADGET_PRODUCT_NUM=0x5720
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_ERRNO_STR=y
-# CONFIG_LMB_USE_MAX_REGIONS is not set
-CONFIG_LMB_MEMORY_REGIONS=2
-CONFIG_LMB_RESERVED_REGIONS=16
diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig
index 2e22bf8600..806935f389 100644
--- a/configs/stm32mp15_basic_defconfig
+++ b/configs/stm32mp15_basic_defconfig
@@ -190,6 +190,3 @@ CONFIG_WDT=y
 CONFIG_WDT_STM32MP=y
 # CONFIG_BINMAN_FDT is not set
 CONFIG_ERRNO_STR=y
-# CONFIG_LMB_USE_MAX_REGIONS is not set
-CONFIG_LMB_MEMORY_REGIONS=2
-CONFIG_LMB_RESERVED_REGIONS=16
diff --git a/configs/stm32mp15_defconfig b/configs/stm32mp15_defconfig
index ffe7512650..5f050ee0d0 100644
--- a/configs/stm32mp15_defconfig
+++ b/configs/stm32mp15_defconfig
@@ -166,6 +166,3 @@ CONFIG_WDT=y
 CONFIG_WDT_STM32MP=y
 # CONFIG_BINMAN_FDT is not set
 CONFIG_ERRNO_STR=y
-# CONFIG_LMB_USE_MAX_REGIONS is not set
-CONFIG_LMB_MEMORY_REGIONS=2
-CONFIG_LMB_RESERVED_REGIONS=16
diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig
index 74deaaba2e..3c591d74af 100644
--- a/configs/stm32mp15_trusted_defconfig
+++ b/configs/stm32mp15_trusted_defconfig
@@ -166,6 +166,3 @@ CONFIG_WDT=y
 CONFIG_WDT_STM32MP=y
 # CONFIG_BINMAN_FDT is not set
 CONFIG_ERRNO_STR=y
-# CONFIG_LMB_USE_MAX_REGIONS is not set
-CONFIG_LMB_MEMORY_REGIONS=2
-CONFIG_LMB_RESERVED_REGIONS=16
diff --git a/configs/stm32mp25_defconfig b/configs/stm32mp25_defconfig
index 87038cc773..f5623a19bb 100644
--- a/configs/stm32mp25_defconfig
+++ b/configs/stm32mp25_defconfig
@@ -49,6 +49,3 @@ CONFIG_WDT_STM32MP=y
 CONFIG_WDT_ARM_SMC=y
 CONFIG_ERRNO_STR=y
 # CONFIG_EFI_LOADER is not set
-# CONFIG_LMB_USE_MAX_REGIONS is not set
-CONFIG_LMB_MEMORY_REGIONS=2
-CONFIG_LMB_RESERVED_REGIONS=32
diff --git a/configs/th1520_lpi4a_defconfig b/configs/th1520_lpi4a_defconfig
index 49ff92f6de..db80e33870 100644
--- a/configs/th1520_lpi4a_defconfig
+++ b/configs/th1520_lpi4a_defconfig
@@ -79,4 +79,3 @@ CONFIG_BZIP2=y
 CONFIG_ZSTD=y
 CONFIG_LIB_RATIONAL=y
 # CONFIG_EFI_LOADER is not set
-# CONFIG_LMB_USE_MAX_REGIONS is not set
diff --git a/lib/Kconfig b/lib/Kconfig
index b3baa4b85b..072ed0ecfa 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -1105,40 +1105,6 @@ config LMB
 	help
 	  Support the library logical memory blocks.
 
-config LMB_USE_MAX_REGIONS
-	bool "Use a common number of memory and reserved regions in lmb lib"
-	default y
-	help
-	  Define the number of supported memory regions in the library logical
-	  memory blocks.
-	  This feature allow to reduce the lmb library size by using compiler
-	  optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
-
-config LMB_MAX_REGIONS
-	int "Number of memory and reserved regions in lmb lib"
-	depends on LMB_USE_MAX_REGIONS
-	default 16
-	help
-	  Define the number of supported regions, memory and reserved, in the
-	  library logical memory blocks.
-
-config LMB_MEMORY_REGIONS
-	int "Number of memory regions in lmb lib"
-	depends on !LMB_USE_MAX_REGIONS
-	default 8
-	help
-	  Define the number of supported memory regions in the library logical
-	  memory blocks.
-	  The minimal value is CONFIG_NR_DRAM_BANKS.
-
-config LMB_RESERVED_REGIONS
-	int "Number of reserved regions in lmb lib"
-	depends on !LMB_USE_MAX_REGIONS
-	default 8
-	help
-	  Define the number of supported reserved regions in the library logical
-	  memory blocks.
-
 config PHANDLE_CHECK_SEQ
 	bool "Enable phandle check while getting sequence number"
 	help
