diff --git a/lib/librte_eal/freebsd/include/rte_os.h b/lib/librte_eal/freebsd/include/rte_os.h
index ecb9d8d801..dcd32bfb5d 100644
--- a/lib/librte_eal/freebsd/include/rte_os.h
+++ b/lib/librte_eal/freebsd/include/rte_os.h
@@ -17,17 +17,11 @@
 typedef cpuset_t rte_cpuset_t;
 #define RTE_CPU_AND(dst, src1, src2) do \
 { \
-	cpuset_t tmp; \
-	CPU_COPY(src1, &tmp); \
-	CPU_AND(&tmp, src2); \
-	CPU_COPY(&tmp, dst); \
+	CPU_AND(dst, src1, src2); \
 } while (0)
 #define RTE_CPU_OR(dst, src1, src2) do \
 { \
-	cpuset_t tmp; \
-	CPU_COPY(src1, &tmp); \
-	CPU_OR(&tmp, src2); \
-	CPU_COPY(&tmp, dst); \
+	CPU_OR(dst, src1, src2); \
 } while (0)
 #define RTE_CPU_FILL(set) CPU_FILL(set)
 
@@ -43,10 +37,7 @@ typedef cpuset_t rte_cpuset_t;
 #else
 #define RTE_CPU_NOT(dst, src) do \
 { \
-	cpuset_t tmp; \
-	CPU_FILL(&tmp); \
-	CPU_ANDNOT(&tmp, src); \
-	CPU_COPY(&tmp, dst); \
+	CPU_ANDNOT(dst, dst, src); \
 } while (0)
 #endif