3 files changed, 3 insertions, 11 deletions
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 356f0e18376..d8864272e11 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -79,14 +79,6 @@ typedef union { GLfloat f; GLint i; GLuint u; } fi_type;
 
 
 
-/**********************************************************************
- * Math macros
- */
-
-/* Degrees to radians conversion: */
-#define DEG2RAD (M_PI/180.0)
-
-
 #if defined(_MSC_VER)
 #if _MSC_VER < 1800  /* Not req'd on VS2013 and above */
 #define strtoll(p, e, b) _strtoi64(p, e, b)
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index c4d3a532ef5..4021dbef922 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -156,7 +156,7 @@ _mesa_light(struct gl_context *ctx, GLuint lnum, GLenum pname, const GLfloat *pa
          return;
       FLUSH_VERTICES(ctx, _NEW_LIGHT);
       light->SpotCutoff = params[0];
-      light->_CosCutoff = (GLfloat) (cos(light->SpotCutoff * DEG2RAD));
+      light->_CosCutoff = (GLfloat) (cos(light->SpotCutoff * M_PI / 180.0));
       if (light->_CosCutoff < 0)
          light->_CosCutoff = 0;
       if (light->SpotCutoff != 180.0F)
diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c
index 9d51021feda..0475a7ab234 100644
--- a/src/mesa/math/m_matrix.c
+++ b/src/mesa/math/m_matrix.c
@@ -799,8 +799,8 @@ _math_matrix_rotate( GLmatrix *mat,
    GLfloat m[16];
    GLboolean optimized;
 
-   s = (GLfloat) sin( angle * DEG2RAD );
-   c = (GLfloat) cos( angle * DEG2RAD );
+   s = (GLfloat) sin( angle * M_PI / 180.0 );
+   c = (GLfloat) cos( angle * M_PI / 180.0 );
 
    memcpy(m, Identity, sizeof(GLfloat)*16);
    optimized = GL_FALSE;