diff --git a/optionals/tracers/data/tracer_green.rvmat b/optionals/tracers/data/tracer_green.rvmat
index 2a33f4afe9..dd352adb2a 100644
--- a/optionals/tracers/data/tracer_green.rvmat
+++ b/optionals/tracers/data/tracer_green.rvmat
@@ -1,6 +1,3 @@
-
-#define _ARMA_
-
 ambient[] = {1,1,1,3.25};
 diffuse[] = {1,1,1,1};
 forcedDiffuse[] = {0,0,0,0};
diff --git a/optionals/tracers/data/tracer_red.rvmat b/optionals/tracers/data/tracer_red.rvmat
index f64d2a6cfc..ff5f3fcd2d 100644
--- a/optionals/tracers/data/tracer_red.rvmat
+++ b/optionals/tracers/data/tracer_red.rvmat
@@ -1,6 +1,3 @@
-
-#define _ARMA_
-
 ambient[] = {1,1,1,3.25};
 diffuse[] = {1,1,1,1};
 forcedDiffuse[] = {0,0,0,0};
diff --git a/optionals/tracers/data/tracer_white.rvmat b/optionals/tracers/data/tracer_white.rvmat
index 4a65384051..bed8419b18 100644
--- a/optionals/tracers/data/tracer_white.rvmat
+++ b/optionals/tracers/data/tracer_white.rvmat
@@ -1,6 +1,3 @@
-
-#define _ARMA_
-
 ambient[] = {1,1,1,3.25};
 diffuse[] = {1,1,1,1};
 forcedDiffuse[] = {0,0,0,0};
diff --git a/optionals/tracers/data/tracer_yellow.rvmat b/optionals/tracers/data/tracer_yellow.rvmat
index 8914410441..112d055311 100644
--- a/optionals/tracers/data/tracer_yellow.rvmat
+++ b/optionals/tracers/data/tracer_yellow.rvmat
@@ -1,6 +1,3 @@
-
-#define _ARMA_
-
 ambient[] = {1,1,1,3.25};
 diffuse[] = {1,1,1,1};
 forcedDiffuse[] = {0,0,0,0};