diff --git a/src/cmr/equimodular.c b/src/cmr/equimodular.c
index 0e3a2b66..9c85135b 100644
--- a/src/cmr/equimodular.c
+++ b/src/cmr/equimodular.c
@@ -247,8 +247,6 @@ CMR_ERROR CMRequimodularTestStrong(CMR* cmr, CMR_INTMAT* matrix, bool* pisStrong
   assert(cmr);
   assert(matrix);
   assert(pisStronglyEquimodular);
-  assert(params);
-  assert(stats);
   CMRconsistencyAssert( CMRintmatConsistency(matrix) );
 
   /* If not supplied, we maintain a local gcd determinant variable. */
@@ -282,8 +280,6 @@ CMR_ERROR CMRunimodularTest(CMR* cmr, CMR_INTMAT* matrix, bool* pisUnimodular, C
   assert(cmr);
   assert(matrix);
   assert(pisUnimodular);
-  assert(params);
-  assert(stats);
   CMRconsistencyAssert( CMRintmatConsistency(matrix) );
 
   int64_t gcdDet = 1;
@@ -299,8 +295,6 @@ CMR_ERROR CMRunimodularTestStrong(CMR* cmr, CMR_INTMAT* matrix, bool* pisStrongl
   assert(cmr);
   assert(matrix);
   assert(pisStronglyUnimodular);
-  assert(params);
-  assert(stats);
   CMRconsistencyAssert( CMRintmatConsistency(matrix) );
 
   int64_t gcdDet = 1;
diff --git a/src/cmr/graphic.c b/src/cmr/graphic.c
index fe39c71b..2ba121c6 100644
--- a/src/cmr/graphic.c
+++ b/src/cmr/graphic.c
@@ -90,7 +90,7 @@ CMR_ERROR CMRcomputeRepresentationMatrix(CMR* cmr, CMR_GRAPH* digraph, bool tern
   assert(digraph);
   assert(ptranspose && !*ptranspose);
   assert(numForestArcs == 0 || forestArcs);
-  assert(numForestArcs == 0 || coforestArcs);
+  assert(numCoforestArcs == 0 || coforestArcs);
   CMRassertStackConsistency(cmr);
 
   CMRdbgMsg(0, "Computing %s representation matrix.\n", ternary ? "ternary" : "binary");