diff --git a/source/src/core/scoring/lkball/LK_DomeEnergy.cc b/source/src/core/scoring/lkball/LK_DomeEnergy.cc
index 9ffb2cfb6e1..451ac50b523 100644
--- a/source/src/core/scoring/lkball/LK_DomeEnergy.cc
+++ b/source/src/core/scoring/lkball/LK_DomeEnergy.cc
@@ -1034,15 +1034,14 @@ cubed_root( Real val ) {
 
 
 DerivativeFinderWadj::DerivativeFinderWadj( Vector const & base, Vector const & water, Real w_dist, Real water_adjust )
-: x(14)
+: B( base ),
+W( water ),
+B_to_W( water - base ),
+wadj( water_adjust ),
+w_dist_( w_dist ),
+x(14)
 {
 
-	w_dist_ = w_dist;
-	wadj = water_adjust;
-
-	B = base;
-	W = water;
-	B_to_W = W - B;
 	B_to_W_norm = B_to_W.norm();
 	B_to_W_norm2 = B_to_W_norm*B_to_W_norm;
 	B_to_W_norm3 = B_to_W_norm2*B_to_W_norm;
@@ -1098,21 +1097,19 @@ DerivativeFinderWadj::dWadj_dWater() {
 
 DerivativeFinder::DerivativeFinder( Vector const & base, Vector const & water, Vector const & other,
 	Real min_cose, Real min_sine, Real max_cose, Real max_sine, Real w_dist, Real water_adjust ) :
+	B(base),
+	W(water),
+	Ot(other),
+	W_to_Ot(Ot - W),
+	B_to_W(W - B),
+	w_dist_( w_dist ),
+	wadj( water_adjust ),
 	x(175)
 {
-	w_dist_ = w_dist;
-	wadj = water_adjust;
-
-	B = base;
-	W = water;
-	Ot = other;
-
-	W_to_Ot = Ot - W;
 	W_to_Ot_norm = W_to_Ot.norm();
 	W_to_Ot_norm2 = W_to_Ot_norm*W_to_Ot_norm;
 	W_to_Ot_norm3 = W_to_Ot_norm*W_to_Ot_norm2;
 
-	B_to_W = W - B;
 	B_to_W_norm = B_to_W.norm();
 	B_to_W_norm2 = B_to_W_norm*B_to_W_norm;
 	B_to_W_norm3 = B_to_W_norm2*B_to_W_norm;
diff --git a/source/src/numeric/MathMatrix.hh b/source/src/numeric/MathMatrix.hh
index 83e344a9b33..623208172c1 100644
--- a/source/src/numeric/MathMatrix.hh
+++ b/source/src/numeric/MathMatrix.hh
@@ -59,7 +59,7 @@ public:
 	//////////////////////////////////
 
 	/// @brief default constructor
-	MathMatrix< T>() :
+	MathMatrix() :
 	NumberRows_( 0),
 	NumberCols_( 0),
 	size_( 0 ),
@@ -79,7 +79,7 @@ public:
 	/// @param NUMBER_ROWS number of rows in matrix
 	/// @param NUMBER_COLS number of cols in matrix
 	/// @param FILL_VALUE assign every element to that value
-	explicit MathMatrix< T>
+	explicit MathMatrix
 	(
 		const Size NUMBER_ROWS,
 		const Size NUMBER_COLS,
@@ -98,7 +98,7 @@ public:
 	/// @param NUMBER_ROWS number of rows in matrix
 	/// @param NUMBER_COLS number of cols in matrix
 	/// @param DATA pointer to field of data
-	MathMatrix< T>
+	MathMatrix
 	(
 		const Size NUMBER_ROWS,
 		const Size NUMBER_COLS,
@@ -133,7 +133,7 @@ public:
 	}
 
 	/// @brief destructor
-	~MathMatrix< T>()
+	~MathMatrix()
 	{
 		delete[] data_;
 	}
diff --git a/source/src/numeric/MathVector.hh b/source/src/numeric/MathVector.hh
index 8f77d595261..a8c1c2d80eb 100644
--- a/source/src/numeric/MathVector.hh
+++ b/source/src/numeric/MathVector.hh
@@ -66,7 +66,7 @@ public:
 	//////////////////////////////////
 
 	/// @brief default constructor
-	MathVector< T>() :
+	MathVector() :
 	size_( 0),
 	data_( nullptr )
 	{
@@ -81,7 +81,7 @@ public:
 	/// @brief construct from size and possible filler
 	/// @param SIZE number fo elements in Vector
 	/// @param FILL_VALUE assign every element to that value
-	explicit MathVector< T>( const Size SIZE, const T &FILL_VALUE= T( 0)) :
+	explicit MathVector( const Size SIZE, const T &FILL_VALUE= T( 0)) :
 	size_( SIZE),
 	data_( new T[ SIZE])
 	{
@@ -91,7 +91,7 @@ public:
 	}
 
 	/// @brief construct from length and pointer to data
-	MathVector< T>( const Size SIZE, const T *DATA) :
+	MathVector( const Size SIZE, const T *DATA) :
 	size_( SIZE),
 	data_( new T[ SIZE])
 	{
@@ -110,13 +110,13 @@ public:
 
 	/// @brief Clone function
 	/// @return pointer to new Vector< T>
-	MathVector< T> *clone() const
+	MathVector *clone() const
 	{
 		return new MathVector< T>( *this);
 	}
 
 	/// @ brief destructor
-	~MathVector< T>()
+	~MathVector()
 	{
 		delete[] data_;
 	}
diff --git a/source/src/numeric/histograms/OneDHistogram.hh b/source/src/numeric/histograms/OneDHistogram.hh
index 72ddb913be3..62daea39522 100644
--- a/source/src/numeric/histograms/OneDHistogram.hh
+++ b/source/src/numeric/histograms/OneDHistogram.hh
@@ -38,7 +38,7 @@ class OneDHistogram {
 
 public:
 
-	OneDHistogram<key1>()= default;
+	OneDHistogram()= default;
 
 	void insert_data(key1 key_1, platform::Size counts){
 		histogram_.insert(std::make_pair(key_1, counts));
diff --git a/source/src/protocols/forge/remodel/RemodelGlobalFrame.cc b/source/src/protocols/forge/remodel/RemodelGlobalFrame.cc
index 47a5a49d8fb..cc9a829bd80 100644
--- a/source/src/protocols/forge/remodel/RemodelGlobalFrame.cc
+++ b/source/src/protocols/forge/remodel/RemodelGlobalFrame.cc
@@ -209,7 +209,7 @@ void RemodelGlobalFrame::get_helical_params( core::pose::Pose & pose ) {
 	Matrix3f I = Matrix3f::Identity();
 	Matrix3f N = 0.5*(H+H.transpose()) - cos(omega)*I;
 
-	Vector3f hN;
+	Vector3f hN{0.0, 0.0, 0.0};
 	Real scalar = 0;
 	Real max_scalar = -10000000;
 	for ( core::Size i = 0; i<=2; i++ ) {
diff --git a/source/src/utility/options/VectorOption_T_.hh b/source/src/utility/options/VectorOption_T_.hh
index 3184882f239..0a2ccdb173f 100644
--- a/source/src/utility/options/VectorOption_T_.hh
+++ b/source/src/utility/options/VectorOption_T_.hh
@@ -106,17 +106,8 @@ protected: // Creation
 
 
 	/// @brief Copy constructor
-	inline
-	VectorOption_T_( VectorOption_T_ const & option ) :
-		Super( option )
-#ifdef VECTOROPTION_T_FULL_THREAD_SAFETY
-		,
-		mutex_()
-#endif
-	{
-		(*this) = option;
-	}
 
+	VectorOption_T_( VectorOption_T_ const & option ) = default;
 
 	/// @brief Key + description constructor
 	inline
diff --git a/source/test/core/fragment/ConstantLengthFragments.cxxtest.hh b/source/test/core/fragment/ConstantLengthFragments.cxxtest.hh
index e37dfcc982f..fc913beedec 100644
--- a/source/test/core/fragment/ConstantLengthFragments.cxxtest.hh
+++ b/source/test/core/fragment/ConstantLengthFragments.cxxtest.hh
@@ -267,11 +267,11 @@ void FragmentConstantLengthTest::test_frag_iterator() {
 			FrameList frames;
 			if ( fragset.region( movemap, pos, pos, len, len, frames ) ) {
 				Frame const& frame ( * ( frames[ 1 ] ) );
-				Size val;
+				Size val = 0;
 				TS_ASSERT( silly_cache.retrieve(frame, 1, val) ); //there should be a value ( return true )
 				TS_ASSERT_EQUALS( val , pos );
 
-				Size val2;
+				Size val2 = 999555; // Something non-zero;
 				TS_ASSERT( it != eit );
 				TS_ASSERT( silly_cache.retrieve( **it , 1, val2) ); //there should be a value ( return true )
 				TS_ASSERT_EQUALS( val2 , val );
@@ -285,7 +285,7 @@ void FragmentConstantLengthTest::test_frag_iterator() {
 			ConstFrameIterator it = bfragset.begin();
 			ConstFrameIterator eit= bfragset.end();
 			for ( Size pos=1 ; it!=eit; ++it ) {
-				Size val;
+				Size val = 0;
 				silly_cache.retrieve( **it, 1, val);
 				TS_ASSERT_EQUALS( val, pos );
 				++pos;
diff --git a/source/test/utility/UTools.cxxtest.hh b/source/test/utility/UTools.cxxtest.hh
index 4b517114694..ad89770ba7e 100644
--- a/source/test/utility/UTools.cxxtest.hh
+++ b/source/test/utility/UTools.cxxtest.hh
@@ -133,8 +133,8 @@ public:
 	// ------------------------------------------ //
 	/// @brief test isMarkup function
 	void test_isMarkup() {
-		double num;
-		unsigned int end_pos;
+		double num = 0.0;
+		unsigned int end_pos = 0;
 		bool res;
 
 		res = test::utools::isMarkup("something(1.23)", 0, num, end_pos, "MARKUP(");
diff --git a/source/tools/build/basic.settings b/source/tools/build/basic.settings
index 29f1e3d6d01..0d4fae07529 100644
--- a/source/tools/build/basic.settings
+++ b/source/tools/build/basic.settings
@@ -443,6 +443,16 @@ settings = {
         },
     },
 
+    "gcc, |cxx_ver:>=15.0|" : {
+        "appends" : {
+            "flags" : {
+                "warn" : [
+                    "Wno-error=dangling-pointer=", # Boost spirit issue
+                ],
+            },
+        },
+    },
+
     "gcc, |cxx_ver:>=13.0|" : {
         "appends" : {
             "flags" : {