diff --git a/portable/MemMang/heap_4.c b/portable/MemMang/heap_4.c
index a266144f9..ade9e4782 100644
--- a/portable/MemMang/heap_4.c
+++ b/portable/MemMang/heap_4.c
@@ -474,7 +474,7 @@ size_t xBlocks = 0, xMaxSize = 0, xMinSize = portMAX_DELAY; /* portMAX_DELAY use
 			} while( pxBlock != pxEnd );
 		}
 	}
-	xTaskResumeAll();
+	( void ) xTaskResumeAll();
 
 	pxHeapStats->xSizeOfLargestFreeBlockInBytes = xMaxSize;
 	pxHeapStats->xSizeOfSmallestFreeBlockInBytes = xMinSize;
diff --git a/portable/MemMang/heap_5.c b/portable/MemMang/heap_5.c
index 9b1dbaf46..bd6b66ab2 100644
--- a/portable/MemMang/heap_5.c
+++ b/portable/MemMang/heap_5.c
@@ -529,7 +529,7 @@ size_t xBlocks = 0, xMaxSize = 0, xMinSize = portMAX_DELAY; /* portMAX_DELAY use
 			} while( pxBlock != pxEnd );
 		}
 	}
-	xTaskResumeAll();
+	( void ) xTaskResumeAll();
 
 	pxHeapStats->xSizeOfLargestFreeBlockInBytes = xMaxSize;
 	pxHeapStats->xSizeOfSmallestFreeBlockInBytes = xMinSize;