diff --git a/src/SW_R_lib.c b/src/SW_R_lib.c
index 1ead6875..32b06cc4 100644
--- a/src/SW_R_lib.c
+++ b/src/SW_R_lib.c
@@ -992,13 +992,14 @@ SEXP sw_consts(void) {
     "eFirst",
     "eNCIn", "eNCInAtt", "eNCOutVars",
     "eDomain",
-    "eModel", "eLog",
+    "eModel",
     "eSite", "eLayers", "eSWRCp",
     "eWeather", "eMarkovProb", "eMarkovCov", "eSky",
     "eVegProd", "eVegEstab",
     "eCarbon",
     "eSoilwat",
-    "eOutput", "eOutputDaily", "eOutputWeekly", "eOutputMonthly", "eOutputYearly",
+    "eOutput", "eLog",
+    "eOutputDaily", "eOutputWeekly", "eOutputMonthly", "eOutputYearly",
     "eOutputDaily_soil", "eOutputWeekly_soil", "eOutputMonthly_soil", "eOutputYearly_soil"
   };
 
diff --git a/src/rSW_Domain.c b/src/rSW_Domain.c
index 112a5126..7b2e80d5 100644
--- a/src/rSW_Domain.c
+++ b/src/rSW_Domain.c
@@ -42,11 +42,6 @@
 
 
 
-/* =================================================== */
-/*                  Local Variables                    */
-/* --------------------------------------------------- */
-static char *MyFileName;
-
 /* =================================================== */
 /*             Global Function Definitions             */
 /* --------------------------------------------------- */
@@ -252,16 +247,14 @@ void onSet_SW_MDL(SEXP SW_MDL, LOG_INFO* LogInfo) {
 	TimeInt d;
 	char enddyval[6], errstr[MAX_ERROR];
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eModel];
-
 	if (!IS_S4_OBJECT(SW_MDL)) {
-		LogError(LogInfo, LOGERROR, "%s: No input.", MyFileName);
+		LogError(LogInfo, LOGERROR, "modelrun.in: missing input.");
         return; // Exit function prematurely due to error
 	}
 
 	PROTECT(StartYear = GET_SLOT(SW_MDL, install("StartYear")));
 	if (INTEGER(StartYear)[0] < 0) {
-		LogError(LogInfo, LOGERROR, "%s: Negative start year (%d)", MyFileName, INTEGER(StartYear)[0]);
+		LogError(LogInfo, LOGERROR, "Negative start year (%d)", INTEGER(StartYear)[0]);
 
         UNPROTECT(1);
         return; // Exit function prematurely due to error
@@ -269,20 +262,20 @@ void onSet_SW_MDL(SEXP SW_MDL, LOG_INFO* LogInfo) {
 	m->startyr = INTEGER(StartYear)[0];
 	PROTECT(EndYear = GET_SLOT(SW_MDL, install("EndYear")));
 	if (isNull(EndYear) || INTEGER(EndYear)[0] == NA_INTEGER) {
-		LogError(LogInfo, LOGERROR, "%s: Ending year not found.", MyFileName);
+		LogError(LogInfo, LOGERROR, "Ending year not found.");
 
         UNPROTECT(2);
         return; // Exit function prematurely due to error
 	}
 	if (INTEGER(EndYear)[0] < 0) {
-		LogError(LogInfo, LOGERROR, "%s: Negative ending year (%d)", MyFileName, INTEGER(EndYear)[0]);
+		LogError(LogInfo, LOGERROR, "Negative ending year (%d)", INTEGER(EndYear)[0]);
 
         UNPROTECT(2);
         return; // Exit function prematurely due to error
 	}
 	m->endyr = INTEGER(EndYear)[0];
 	if (m->endyr < m->startyr) {
-		LogError(LogInfo, LOGERROR, "%s: Start Year > End Year", MyFileName);
+		LogError(LogInfo, LOGERROR, "Start Year > End Year");
 
         UNPROTECT(2);
         return; // Exit function prematurely due to error
@@ -303,7 +296,7 @@ void onSet_SW_MDL(SEXP SW_MDL, LOG_INFO* LogInfo) {
 	fhemi = TRUE;
 
 	if (!(fstartdy && fenddy && fhemi)) {
-		snprintf(errstr, MAX_ERROR, "\nNot found in %s:\n", MyFileName);
+		snprintf(errstr, MAX_ERROR, "\nNot found in inputs:\n");
 		if (!fstartdy) {
 			strcat(errstr, "\tStart Day  - using 1\n");
 			m->startstart = 1;
diff --git a/src/rSW_Files.c b/src/rSW_Files.c
index 237c0195..ea7b6019 100644
--- a/src/rSW_Files.c
+++ b/src/rSW_Files.c
@@ -89,7 +89,9 @@ void onSet_SW_F(SEXP SW_F_construct, LOG_INFO* LogInfo) {
 			free(SoilWatDomain.SW_PathInputs.txtInFiles[i]);
 		}
 	for (i = 0; i < j; i++) {
-		SoilWatDomain.SW_PathInputs.txtInFiles[i] = Str_Dup(CHAR(STRING_ELT(FilesIn,i)), LogInfo);
+		// txtInFiles is unused if values set by rSOILWAT2
+		// SoilWatDomain.SW_PathInputs.txtInFiles[i] = Str_Dup(CHAR(STRING_ELT(FilesIn,i)), LogInfo);
+		SoilWatDomain.SW_PathInputs.txtInFiles[i] = NULL;
         if(LogInfo->stopRun) {
             UNPROTECT(2); // Unprotect the two protected variables before exiting
             return; // Exit function prematurely
diff --git a/src/rSW_Output.c b/src/rSW_Output.c
index 102f026a..c4605dc8 100644
--- a/src/rSW_Output.c
+++ b/src/rSW_Output.c
@@ -40,12 +40,6 @@
 
 
 
-/* =================================================== */
-/*                Module-Level Variables               */
-/* --------------------------------------------------- */
-static char *MyFileName;
-
-
 /* =================================================== */
 /*             Global Function Definitions             */
 /* --------------------------------------------------- */
@@ -69,7 +63,6 @@ void onSet_SW_OUT(SEXP OUT, LOG_INFO* LogInfo) {
 	#ifdef RSWDEBUG
 	if (debug) sw_printf("onSet_SW_OUT: start ...");
 	#endif
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eOutput];
 
 	PROTECT(sep = GET_SLOT(OUT, install("outputSeparator")));
 
diff --git a/src/rSW_Site.c b/src/rSW_Site.c
index 8b2587b6..f6c0d97d 100644
--- a/src/rSW_Site.c
+++ b/src/rSW_Site.c
@@ -42,9 +42,6 @@
 /*                  Local Variables                    */
 /* --------------------------------------------------- */
 
-static char *MyFileName;
-
-
 static char *cSW_SIT[] = {
   "SWClimits", "ModelFlags", "ModelCoefficients",
   "SnowSimulationParameters", "DrainageCoefficient", "EvaporationCoefficients",
@@ -126,9 +123,6 @@ static void onSet_SW_LYR(SEXP SW_LYR, LOG_INFO* LogInfo) {
           soildensity, imperm, soiltemp, f_gravel, som_frac;
 	double *p_Layers;
 
-	/* note that Files.read() must be called prior to this. */
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eLayers];
-
 	j = nrows(SW_LYR);
 	p_Layers = REAL(SW_LYR);
 	columns = ncols(SW_LYR);
@@ -139,8 +133,8 @@ static void onSet_SW_LYR(SEXP SW_LYR, LOG_INFO* LogInfo) {
 		LogError(
 			LogInfo,
 			LOGERROR,
-			"%s : Too few columns in layers specified (%d).\n",
-			MyFileName, columns
+			"soils.in : Too few columns in layers specified (%d).\n",
+			columns
 		);
         return; // Exit function prematurely due to error
 	}
@@ -181,9 +175,9 @@ static void onSet_SW_LYR(SEXP SW_LYR, LOG_INFO* LogInfo) {
 			LogError(
 				LogInfo,
 				LOGERROR,
-				"%s : Too many layers specified (%d).\n"
+				"soils.in : Too many layers specified (%d).\n"
 				"Maximum number of layers is %d\n",
-				MyFileName, lyrno + 1, MAX_LAYERS
+				lyrno + 1, MAX_LAYERS
 			);
             return; // Exit function prematurely due to error
 		}
@@ -258,16 +252,13 @@ static void onSet_SW_SWRCp(SEXP SW_SWRCp, LOG_INFO* LogInfo) {
 	int i, k;
 	double *p_SWRCp;
 
-	/* note that Files.read() must be called prior to this. */
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eSWRCp];
-
 	/* Check that we have n = `SWRC_PARAM_NMAX` values per layer */
 	if (ncols(SW_SWRCp) != SWRC_PARAM_NMAX) {
 		LogError(
 			LogInfo,
 			LOGERROR,
-			"%s : Bad number of SWRC parameters %d -- must be %d.\n",
-			MyFileName, ncols(SW_SWRCp), SWRC_PARAM_NMAX
+			"swrcp.in : Bad number of SWRC parameters %d -- must be %d.\n",
+			ncols(SW_SWRCp), SWRC_PARAM_NMAX
 		);
         return; // Exit function prematurely due to error
 	}
@@ -277,9 +268,9 @@ static void onSet_SW_SWRCp(SEXP SW_SWRCp, LOG_INFO* LogInfo) {
 		LogError(
 			LogInfo,
 			LOGERROR,
-			"%s : Number of layers with SWRC parameters (%d) "
+			"swrcp.in : Number of layers with SWRC parameters (%d) "
 			"must match number of soil layers (%d)\n",
-			MyFileName, nrows(SW_SWRCp), SoilWatRun.Site.n_layers
+			nrows(SW_SWRCp), SoilWatRun.Site.n_layers
 		);
         return; // Exit function prematurely due to error
 	}
@@ -400,8 +391,6 @@ SEXP onGet_SW_SIT(void) {
 	char *cTranspirationRegions[] = { "ndx", "layer" };
 	int *p_transp; // ideally `LyrIndex` so that same type as `_TranspRgnBounds`, but R API INTEGER() is signed
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eSite];
-
 	PROTECT(swSite = MAKE_CLASS("swSite"));
 	PROTECT(SW_SIT = NEW_OBJECT(swSite));
 
@@ -579,8 +568,6 @@ void onSet_SW_SIT(SEXP SW_SIT, LOG_INFO* LogInfo) {
   int debug = 0;
   #endif
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eSite];
-
 	#ifdef RSWDEBUG
 	if (debug) sw_printf("'onSet_SW_SIT':");
 	#endif
diff --git a/src/rSW_Sky.c b/src/rSW_Sky.c
index 983d6df7..b0c7d059 100644
--- a/src/rSW_Sky.c
+++ b/src/rSW_Sky.c
@@ -32,12 +32,6 @@
 #include <Rdefines.h>
 
 
-/* =================================================== */
-/*                  Local Variables                    */
-/* --------------------------------------------------- */
-static char *MyFileName;
-
-
 /* =================================================== */
 /*             Global Function Definitions             */
 /* --------------------------------------------------- */
@@ -94,8 +88,6 @@ void onSet_SW_SKY(SEXP sxp_SW_SKY) {
 	PROTECT(sxp_SW_SKY);
 	p_Cloud = REAL(GET_SLOT(sxp_SW_SKY, install("Cloud")));
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eSky];
-
 	for (i = 0; i < 12; i++) { //i=columns
 		v->cloudcov[i] = p_Cloud[0 + k * i];
 		v->windspeed[i] = p_Cloud[1 + k * i];
diff --git a/src/rSW_SoilWater.c b/src/rSW_SoilWater.c
index d2b015d5..909210ac 100644
--- a/src/rSW_SoilWater.c
+++ b/src/rSW_SoilWater.c
@@ -43,7 +43,6 @@
 /* =================================================== */
 /*                  Local Variables                    */
 /* --------------------------------------------------- */
-static char *MyFileName;
 static int swcdataIndex;
 
 
@@ -102,7 +101,6 @@ void onSet_SW_SWC(SEXP SWC, LOG_INFO* LogInfo) {
 	SEXP swcFirstYear;
 	SEXP swcMethod;
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eSoilwat];
 	LyrIndex i;
 	ForEachSoilLayer(i, SoilWatRun.Site.n_layers)
 		v->avgLyrTemp[i] = SoilWatRun.Site.soils.avgLyrTempInit[i];
diff --git a/src/rSW_VegProd.c b/src/rSW_VegProd.c
index 0a3fd770..693fcacd 100644
--- a/src/rSW_VegProd.c
+++ b/src/rSW_VegProd.c
@@ -40,9 +40,6 @@ vegetation production parameter information.
 /* =================================================== */
 /*                  Local Variables                    */
 /* --------------------------------------------------- */
-static char *MyFileName;
-
-
 static char *cVegProd_names[] = {
 	"veg_method", "Composition", "Albedo", "CanopyHeight",
 	"VegetationInterceptionParameters", "LitterInterceptionParameters",
@@ -439,8 +436,6 @@ void onSet_SW_VPD(SEXP SW_VPD, LOG_INFO* LogInfo) {
 	SEXP CO2Coefficients;
 	double *p_Grasslands, *p_Shrublands, *p_Forest, *p_Forb;
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eVegProd];
-
     PROTECT(veg_method = GET_SLOT(SW_VPD, install(cVegProd_names[0])));
     v->veg_method = INTEGER(veg_method)[0];
 
diff --git a/src/rSW_Weather.c b/src/rSW_Weather.c
index afe179e6..859adcb5 100644
--- a/src/rSW_Weather.c
+++ b/src/rSW_Weather.c
@@ -39,7 +39,6 @@
 /* =================================================== */
 /*                  Local Variables                    */
 /* --------------------------------------------------- */
-static char *MyFileName;
 
 static char *cSW_WTH_names[] = {
   "MonthlyScalingParams",
@@ -220,7 +219,6 @@ void onSet_SW_WTH_setup(SEXP SW_WTH, LOG_INFO* LogInfo) {
 	double *p_MonthlyValues;
 	int *p_dailyInputFlags;
 
-	MyFileName = SoilWatDomain.SW_PathInputs.txtInFiles[eWeather];
 
     // Copy weather prefix from PathInfo to Weather within `SoilWatRun`
     strcpy(SoilWatRun.Weather.name_prefix, SoilWatDomain.SW_PathInputs.txtWeatherPrefix);
@@ -286,10 +284,10 @@ void onSet_SW_WTH_setup(SEXP SW_WTH, LOG_INFO* LogInfo) {
 		LogError(
 			logfp,
 			LOGERROR,
-			"%s : Model year (%d) starts before weather files (%d)"
+			"Model year (%d) starts before weather files (%d)"
 				" and weather generator turned off.\n"
 				" Please synchronize the years or set up the weather generator files",
-			MyFileName, SW_Model.startyr, w->startYear
+			SW_Model.startyr, w->startYear
 		);
 	}
 	*/