diff --git a/makefile b/makefile
index cf2e995dc24..d5fe0526403 100644
--- a/makefile
+++ b/makefile
@@ -554,7 +554,6 @@ CCOMFLAGS += -msse2
 endif
 
 ifdef OPENMP
-DEFS += -DHAS_OPENMP
 CCOMFLAGS += -fopenmp
 else
 CCOMFLAGS += -Wno-unknown-pragmas