diff --git a/firmware/common/LPC4330_M0.ld b/firmware/common/LPC4330_M0.ld
index 3ec9ad54..04dc7428 100644
--- a/firmware/common/LPC4330_M0.ld
+++ b/firmware/common/LPC4330_M0.ld
@@ -22,7 +22,7 @@
 
 MEMORY
 {
-	ram (rwx) : ORIGIN = 0x00000000, LENGTH = 32K
+	ram (rwx) : ORIGIN = 0x00000000, LENGTH = 28K
 }
 
 /* Include the common ld script. */
diff --git a/firmware/common/LPC4330_M4.ld b/firmware/common/LPC4330_M4.ld
index 013c9ddf..75f4c65e 100644
--- a/firmware/common/LPC4330_M4.ld
+++ b/firmware/common/LPC4330_M4.ld
@@ -35,7 +35,7 @@ MEMORY
 	 * to get performance benefit of having two USB buffers addressable
 	 * simultaneously (on two different buses of the AHB multilayer matrix)
 	 */
-	ram_m0 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
+	ram_m0 (rwx) : ORIGIN = 0x20000000, LENGTH = 28K
 }
 
 /* Include the common ld script. */
diff --git a/firmware/common/LPC4330_M4_rom_to_ram.ld b/firmware/common/LPC4330_M4_rom_to_ram.ld
index 588eb6f8..5c42df73 100644
--- a/firmware/common/LPC4330_M4_rom_to_ram.ld
+++ b/firmware/common/LPC4330_M4_rom_to_ram.ld
@@ -36,7 +36,7 @@ MEMORY
 	 * to get performance benefit of having two USB buffers addressable
 	 * simultaneously (on two different buses of the AHB multilayer matrix)
 	 */
-	ram_m0 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
+	ram_m0 (rwx) : ORIGIN = 0x20000000, LENGTH = 28K
 }
 
 /* Include the common ld script. */