diff --git a/qcom/sdxnightjar-ion.dtsi b/qcom/sdxnightjar-ion.dtsi
index 173d5c56a634..1a35044d6b30 100644
--- a/qcom/sdxnightjar-ion.dtsi
+++ b/qcom/sdxnightjar-ion.dtsi
@@ -23,11 +23,6 @@
 			qcom,ion-heap-type = "DMA";
 		};
 
-		qcom,ion-heap@19 { /* QSEECOM TA HEAP */
-			reg = <ION_QSECOM_TA_HEAP_ID>;
-			memory-region = <&qseecom_ta_mem>;
-			qcom,ion-heap-type = "DMA";
-		};
 	};
 };
 
diff --git a/qcom/sdxnightjar.dtsi b/qcom/sdxnightjar.dtsi
index 6967e0c66845..1238ce10e2af 100644
--- a/qcom/sdxnightjar.dtsi
+++ b/qcom/sdxnightjar.dtsi
@@ -61,14 +61,6 @@
 			size = <0x400000>;
 		};
 
-		qseecom_ta_mem: qseecom_ta_region {
-			compatible = "shared-dma-pool";
-			alloc-ranges = <0x00000000 0xffffffff>;
-			reusable;
-			alignment = <0x400000>;
-			size = <0x400000>;
-		};
-
 		dump_mem: mem_dump_region {
 			compatible = "shared-dma-pool";
 			alloc-ranges = <0x00000000 0xffffffff>;