diff --git a/src/V3AssertPre.cpp b/src/V3AssertPre.cpp
index 9ac9b878a..ff18cf66b 100644
--- a/src/V3AssertPre.cpp
+++ b/src/V3AssertPre.cpp
@@ -112,7 +112,7 @@ private:
     virtual void visit(AstPslClocked* nodep, AstNUser*) {
 	nodep->iterateChildren(*this);
 	if (m_senip) {
-	    nodep->v3error("Unsupported: Only one PSL clock allowed per assertion\n");
+	    nodep->v3error("Unsupported: Only one PSL clock allowed per assertion");
 	}
 	// Block is the new expression to evaluate
 	AstNode* blockp = nodep->propp()->unlinkFrBack();
diff --git a/src/V3Case.cpp b/src/V3Case.cpp
index ba2f4caf0..bc5286126 100644
--- a/src/V3Case.cpp
+++ b/src/V3Case.cpp
@@ -68,7 +68,7 @@ private:
 
     virtual void visit(AstNodeCase* nodep, AstNUser*) {
 	if (nodep->castCase() && nodep->castCase()->casex()) {
-	    nodep->v3warn(CASEX,"Suggest casez (with ?'s) in place of casex (with X's)\n");
+	    nodep->v3warn(CASEX,"Suggest casez (with ?'s) in place of casex (with X's)");
 	}
 	// Detect multiple defaults
 	bool hitDefault = false;
diff --git a/src/V3Const.cpp b/src/V3Const.cpp
index b37e9bbce..edd34fdbe 100644
--- a/src/V3Const.cpp
+++ b/src/V3Const.cpp
@@ -394,13 +394,13 @@ private:
     void replaceNumSigned(AstNodeBiop* nodep, uint32_t val) {
 	// We allow both sides to be constant, as one may have come from parameter propagation, etc.
 	if (m_warn && !(nodep->lhsp()->castConst() && nodep->rhsp()->castConst())) {
-	    nodep->v3warn(UNSIGNED,"Comparison is constant due to unsigned arithmetic\n");
+	    nodep->v3warn(UNSIGNED,"Comparison is constant due to unsigned arithmetic");
 	}
 	replaceNum(nodep, val); nodep=NULL;
     }
     void replaceNumLimited(AstNodeBiop* nodep, uint32_t val) {
 	// Avoids gcc warning about same
-	if (m_warn) nodep->v3warn(CMPCONST,"Comparison is constant due to limited range\n");
+	if (m_warn) nodep->v3warn(CMPCONST,"Comparison is constant due to limited range");
 	replaceNum(nodep, val); nodep=NULL;
     }
     void replaceZero(AstNode* nodep) {
diff --git a/src/V3EmitC.cpp b/src/V3EmitC.cpp
index cabca5cc8..97974e212 100644
--- a/src/V3EmitC.cpp
+++ b/src/V3EmitC.cpp
@@ -282,7 +282,7 @@ public:
 
     void checkMaxWords(AstNode* nodep) {
 	if (nodep->widthWords() > VL_TO_STRING_MAX_WORDS) {
-	    nodep->v3error("String of "<<nodep->width()<<" bits exceeds hardcoded limit VL_TO_STRING_MAX_WORDS in verilatedos.h\n");
+	    nodep->v3error("String of "<<nodep->width()<<" bits exceeds hardcoded limit VL_TO_STRING_MAX_WORDS in verilatedos.h");
 	}
     }
     virtual void visit(AstFOpen* nodep, AstNUser*) {
@@ -455,7 +455,7 @@ public:
     }
     virtual void visit(AstMulS* nodep, AstNUser* vup) {
 	if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
-	    nodep->v3error("Unsupported: Signed multiply of "<<nodep->width()<<" bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h\n");
+	    nodep->v3error("Unsupported: Signed multiply of "<<nodep->width()<<" bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
 	}
 	visit(nodep->castNodeBiop(), vup);
     }
@@ -1205,7 +1205,7 @@ void EmitCStmts::displayNode(AstNode* nodep, const string& vformat, AstNode* exp
     }
     if (elistp != NULL) {
 	// expectFormat also checks this, and should have found it first, so internal
-	elistp->v3error("Internal: Extra arguments for $display format\n");
+	elistp->v3error("Internal: Extra arguments for $display format");
     }
     displayEmit(nodep, isScan);
 }
diff --git a/src/V3LinkResolve.cpp b/src/V3LinkResolve.cpp
index d91c6d9dd..17e46d291 100644
--- a/src/V3LinkResolve.cpp
+++ b/src/V3LinkResolve.cpp
@@ -267,7 +267,7 @@ private:
 	    }
 	}
 	if (argp) {
-	    argp->v3error("Extra arguments for $display format\n");
+	    argp->v3error("Extra arguments for $display format");
 	}
     }
 
diff --git a/src/V3Width.cpp b/src/V3Width.cpp
index b440a584e..7b6ce8323 100644
--- a/src/V3Width.cpp
+++ b/src/V3Width.cpp
@@ -534,7 +534,7 @@ private:
 		if (nodep->initp()->widthSized()) {
 		    width = mwidth = nodep->initp()->width();
 		} else {
-		    if (nodep->initp()->width()>32) nodep->initp()->v3warn(WIDTH,"Assigning >32 bit to unranged parameter (defaults to 32 bits)\n");
+		    if (nodep->initp()->width()>32) nodep->initp()->v3warn(WIDTH,"Assigning >32 bit to unranged parameter (defaults to 32 bits)");
 		    width = 32;
 		    mwidth = nodep->initp()->widthMin();
 		}
@@ -928,7 +928,7 @@ private:
 	if (!nodep->taskp()) nodep->v3fatalSrc("Unlinked");
 	if (nodep->taskp()->width()==0) {
 	    if (m_taskDepth > 100) {
-		nodep->v3error("Unsupported: Recursive function or task call\n");
+		nodep->v3error("Unsupported: Recursive function or task call");
 		nodep->width(1,1);
 		nodep->taskp()->width(1,1);
 		return;
diff --git a/src/verilog.y b/src/verilog.y
index f10a29fbc..85e336989 100644
--- a/src/verilog.y
+++ b/src/verilog.y
@@ -1842,7 +1842,7 @@ statement_item<nodep>:		// IEEE: statement_item
 	//
 	//UNSUP	par_block				{ $$ = $1; }
 	//			// IEEE: procedural_timing_control_statement + procedural_timing_control
-	|	delay_control stmtBlock			{ $$ = $2; $1->v3warn(STMTDLY,"Ignoring delay on this delayed statement.\n"); }
+	|	delay_control stmtBlock			{ $$ = $2; $1->v3warn(STMTDLY,"Ignoring delay on this delayed statement."); }
 	//UNSUP	event_control stmtBlock			{ UNSUP }
 	//UNSUP	cycle_delay stmtBlock			{ UNSUP }
 	//
@@ -2008,7 +2008,7 @@ system_t_call<nodep>:		// IEEE: system_tf_call (as task)
 	//
 	|	yD_C '(' cStrList ')'			{ $$ = (v3Global.opt.ignc() ? NULL : new AstUCStmt($1,$3)); }
 	|	yD_FCLOSE '(' idClassSel ')'		{ $$ = new AstFClose($1, $3); }
-	|	yD_FFLUSH parenE			{ $1->v3error("Unsupported: $fflush of all handles does not map to C++.\n"); }
+	|	yD_FFLUSH parenE			{ $1->v3error("Unsupported: $fflush of all handles does not map to C++."); }
 	|	yD_FFLUSH '(' idClassSel ')'		{ $$ = new AstFClose($1, $3); }
 	|	yD_FINISH parenE			{ $$ = new AstFinish($1); }
 	|	yD_FINISH '(' expr ')'			{ $$ = new AstFinish($1); }
@@ -2062,7 +2062,7 @@ system_f_call<nodep>:		// IEEE: system_tf_call (as func)
 	|	yD_ISUNKNOWN '(' expr ')'		{ $$ = new AstIsUnknown($1,$3); }
 	|	yD_ONEHOT '(' expr ')'			{ $$ = new AstOneHot($1,$3); }
 	|	yD_ONEHOT0 '(' expr ')'			{ $$ = new AstOneHot0($1,$3); }
-	|	yD_RANDOM '(' expr ')'			{ $1->v3error("Unsupported: Seeding $random doesn't map to C++, use $c(\"srand\")\n"); }
+	|	yD_RANDOM '(' expr ')'			{ $1->v3error("Unsupported: Seeding $random doesn't map to C++, use $c(\"srand\")"); }
 	|	yD_RANDOM parenE			{ $$ = new AstRand($1); }
 	|	yD_SIGNED '(' expr ')'			{ $$ = new AstSigned($1,$3); }
 	|	yD_STIME parenE				{ $$ = new AstSel($1,new AstTime($1),0,32); }
@@ -2109,7 +2109,7 @@ lifetimeE:			// IEEE: [lifetime]
 
 lifetime:			// ==IEEE: lifetime
 	//			// Note lifetime used by members is instead under memberQual
-		ySTATIC			 		{ $1->v3error("Unsupported: Static in this context\n"); }
+		ySTATIC			 		{ $1->v3error("Unsupported: Static in this context"); }
 	|	yAUTOMATIC		 		{ }
 	;