diff --git a/src/subspace.c b/src/subspace.c
index 5bab2ae..dd40879 100644
--- a/src/subspace.c
+++ b/src/subspace.c
@@ -1840,7 +1840,6 @@ msym_error_t generateSubrepresentationSpacesLowMem(msym_point_group_t *pg, int s
     free(rsg);
     free(sgc);
     free(sgd);
-    free(mpih);
     free(mdcomp);
     free(mdproj);
     free(mdfound);