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-rw-r--r--core/units.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/core/units.h b/core/units.h
index 60475b75c..cea19f785 100644
--- a/core/units.h
+++ b/core/units.h
@@ -19,7 +19,6 @@ extern "C" {
#define N2_DENSITY 1165
#define HE_DENSITY 166
#define SURFACE_PRESSURE 1013 // mbar
-#define SURFACE_PRESSURE_STRING "1013"
#define ZERO_C_IN_MKELVIN 273150 // mKelvin
#ifdef __cplusplus