diff --git a/reordering/ConnectedComponents.cpp b/reordering/ConnectedComponents.cpp
index 0c33f39..fc8a64a 100644
--- a/reordering/ConnectedComponents.cpp
+++ b/reordering/ConnectedComponents.cpp
@@ -323,6 +323,8 @@ void findConnectedComponents_(
 
   delete[] rootToComp;
   if (nodesToFind) delete[] nodesToFind;
+
+  delete[] p;
 }
 
 void findConnectedComponents(
diff --git a/reordering/RCM.cpp b/reordering/RCM.cpp
index 3672b64..2859e3f 100644
--- a/reordering/RCM.cpp
+++ b/reordering/RCM.cpp
@@ -697,7 +697,7 @@ void CSR::getRCMPermutation(int *perm, int *inversePerm, bool pseudoDiameterSour
 
   int numOfComponents;
   int *compToRoot, *compSizes, *compSizePrefixSum;
-  int *nodesSortedByComp;
+  int *nodesSortedByComp=NULL;
 
   double timeConnectedComponents = -omp_get_wtime();
   findConnectedComponents(
@@ -945,6 +945,11 @@ void CSR::getRCMPermutation(int *perm, int *inversePerm, bool pseudoDiameterSour
   delete[] write_offset;
   delete[] prefixSum_array;
 
+  if(nodesSortedByComp)
+  {
+      delete[] nodesSortedByComp;
+  }
+
 #if 0
   printf("num of connected components = %d (singleton = %d, twin = %d, large (>=%d) = %d)\n", numOfComponents, singletonCnt, twinCnt, PAR_THR, largeCompCnt);
   printf("connectedComponentTime = %f\n", timeConnectedComponents);