diff --git a/panda/src/linmath/aa_luse.h b/panda/src/linmath/aa_luse.h
index 8be2dbddaa..c687293dfc 100644
--- a/panda/src/linmath/aa_luse.h
+++ b/panda/src/linmath/aa_luse.h
@@ -59,6 +59,13 @@ typedef LPoint3d LTexCoord3d;
 typedef LVecBase4d LColord;
 typedef LVecBase3d LRGBColord;
 
+// These used to be separate classes, but now they're just typedefs.
+typedef LVecBase4f UnalignedLVecBase4f;
+typedef LVecBase4d UnalignedLVecBase4d;
+typedef LVecBase4i UnalignedLVecBase4i;
+typedef LMatrix4f UnalignedLMatrix4f;
+typedef LMatrix4d UnalignedLMatrix4d;
+
 // The following names are only for legacy Python code.  These aren't real
 // typedefs; they're just commands to interrogate.
 #ifdef CPPPARSER
diff --git a/panda/src/linmath/config_linmath.cxx b/panda/src/linmath/config_linmath.cxx
index c93eb8caac..9740a26da3 100644
--- a/panda/src/linmath/config_linmath.cxx
+++ b/panda/src/linmath/config_linmath.cxx
@@ -65,8 +65,6 @@ init_liblinmath() {
   LPoint4f::init_type();
   LMatrix3f::init_type();
   LMatrix4f::init_type();
-  UnalignedLVecBase4f::init_type();
-  UnalignedLMatrix4f::init_type();
 
   LVecBase2d::init_type();
   LVecBase3d::init_type();
@@ -79,8 +77,6 @@ init_liblinmath() {
   LPoint4d::init_type();
   LMatrix3d::init_type();
   LMatrix4d::init_type();
-  UnalignedLVecBase4d::init_type();
-  UnalignedLMatrix4d::init_type();
 
   LVecBase2i::init_type();
   LVecBase3i::init_type();
@@ -91,7 +87,6 @@ init_liblinmath() {
   LPoint2i::init_type();
   LPoint3i::init_type();
   LPoint4i::init_type();
-  UnalignedLVecBase4i::init_type();
 
   LQuaternionf::init_type();
   LRotationf::init_type();
diff --git a/panda/src/linmath/lmatrix4_src.I b/panda/src/linmath/lmatrix4_src.I
index 8c20d6d807..4bbd1547d7 100644
--- a/panda/src/linmath/lmatrix4_src.I
+++ b/panda/src/linmath/lmatrix4_src.I
@@ -111,25 +111,6 @@ zeros_mat() {
   return _zeros_mat;
 }
 
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(LMatrix4)::
-FLOATNAME(LMatrix4)(const FLOATNAME(UnalignedLMatrix4) &copy) {
-  operator = (copy);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(LMatrix4) &FLOATNAME(LMatrix4)::
-operator = (const FLOATNAME(UnalignedLMatrix4) &copy) {
-  TAU_PROFILE("void LMatrix4::operator = (const UnalignedLMatrix4 &)", " ", TAU_USER);
-
-  memcpy(&_m(0, 0), copy.get_data(), sizeof(FLOATTYPE) * num_components);
-  return *this;
-}
-
 /**
  *
  */
@@ -1602,117 +1583,3 @@ invert(const FLOATNAME(LMatrix4) &a) {
 #endif
   return result;
 }
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)::
-FLOATNAME(UnalignedLMatrix4)(const FLOATNAME(LMatrix4) &copy) {
-  operator = (copy);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLMatrix4) &FLOATNAME(UnalignedLMatrix4)::
-operator = (const FLOATNAME(LMatrix4) &copy) {
-  memcpy(&_m(0, 0), copy.get_data(), sizeof(FLOATTYPE) * num_components);
-  return *this;
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)::
-FLOATNAME(UnalignedLMatrix4)(FLOATTYPE e00, FLOATTYPE e01, FLOATTYPE e02, FLOATTYPE e03,
-                             FLOATTYPE e10, FLOATTYPE e11, FLOATTYPE e12, FLOATTYPE e13,
-                             FLOATTYPE e20, FLOATTYPE e21, FLOATTYPE e22, FLOATTYPE e23,
-                             FLOATTYPE e30, FLOATTYPE e31, FLOATTYPE e32, FLOATTYPE e33) {
-  TAU_PROFILE("UnalignedLMatrix4::UnalignedLMatrix4(FLOATTYPE, ...)", " ", TAU_USER);
-  set(e00, e01, e02, e03,
-      e10, e11, e12, e13,
-      e20, e21, e22, e23,
-      e30, e31, e32, e33);
-}
-
-/**
- *
- */
-INLINE_LINMATH void FLOATNAME(UnalignedLMatrix4)::
-set(FLOATTYPE e00, FLOATTYPE e01, FLOATTYPE e02, FLOATTYPE e03,
-    FLOATTYPE e10, FLOATTYPE e11, FLOATTYPE e12, FLOATTYPE e13,
-    FLOATTYPE e20, FLOATTYPE e21, FLOATTYPE e22, FLOATTYPE e23,
-    FLOATTYPE e30, FLOATTYPE e31, FLOATTYPE e32, FLOATTYPE e33) {
-  TAU_PROFILE("void UnalignedLMatrix4::set()", " ", TAU_USER);
-
-  _m(0, 0) = e00;
-  _m(0, 1) = e01;
-  _m(0, 2) = e02;
-  _m(0, 3) = e03;
-
-  _m(1, 0) = e10;
-  _m(1, 1) = e11;
-  _m(1, 2) = e12;
-  _m(1, 3) = e13;
-
-  _m(2, 0) = e20;
-  _m(2, 1) = e21;
-  _m(2, 2) = e22;
-  _m(2, 3) = e23;
-
-  _m(3, 0) = e30;
-  _m(3, 1) = e31;
-  _m(3, 2) = e32;
-  _m(3, 3) = e33;
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATTYPE &FLOATNAME(UnalignedLMatrix4)::
-operator () (int row, int col) {
-  nassertr(row >= 0 && row < 4 && col >= 0 && col < 4, _m(0, 0));
-  return _m(row, col);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATTYPE FLOATNAME(UnalignedLMatrix4)::
-operator () (int row, int col) const {
-  nassertr(row >= 0 && row < 4 && col >= 0 && col < 4, 0.0);
-  return _m(row, col);
-}
-
-/**
- * Returns the address of the first of the nine data elements in the matrix.
- * The remaining elements occupy the next eight positions in row-major order.
- */
-INLINE_LINMATH const FLOATTYPE *FLOATNAME(UnalignedLMatrix4)::
-get_data() const {
-  return &_m(0, 0);
-}
-
-/**
- * Returns the number of elements in the matrix, sixteen.
- */
-INLINE_LINMATH int FLOATNAME(UnalignedLMatrix4)::
-get_num_components() const {
-  return 16;
-}
-
-/**
- *
- */
-INLINE_LINMATH bool FLOATNAME(UnalignedLMatrix4)::
-operator == (const FLOATNAME(UnalignedLMatrix4) &other) const {
-  return memcmp(get_data(), other.get_data(), sizeof(FLOATTYPE) * 16) == 0;
-}
-
-/**
- *
- */
-INLINE_LINMATH bool FLOATNAME(UnalignedLMatrix4)::
-operator != (const FLOATNAME(UnalignedLMatrix4) &other) const {
-  return !operator == (other);
-}
diff --git a/panda/src/linmath/lmatrix4_src.cxx b/panda/src/linmath/lmatrix4_src.cxx
index 0a1d5a6a0e..7a243604a4 100644
--- a/panda/src/linmath/lmatrix4_src.cxx
+++ b/panda/src/linmath/lmatrix4_src.cxx
@@ -12,7 +12,6 @@
  */
 
 TypeHandle FLOATNAME(LMatrix4)::_type_handle;
-TypeHandle FLOATNAME(UnalignedLMatrix4)::_type_handle;
 
 const FLOATNAME(LMatrix4) FLOATNAME(LMatrix4)::_ident_mat =
   FLOATNAME(LMatrix4)(1.0f, 0.0f, 0.0f, 0.0f,
@@ -557,14 +556,3 @@ init_type() {
     register_type(_type_handle, FLOATNAME_STR(LMatrix4));
   }
 }
-
-/**
- *
- */
-void FLOATNAME(UnalignedLMatrix4)::
-init_type() {
-  if (_type_handle == TypeHandle::none()) {
-    // Format a string to describe the type.
-    register_type(_type_handle, FLOATNAME_STR(UnalignedLMatrix4));
-  }
-}
diff --git a/panda/src/linmath/lmatrix4_src.h b/panda/src/linmath/lmatrix4_src.h
index 76e205e2c9..6dd07a9fbe 100644
--- a/panda/src/linmath/lmatrix4_src.h
+++ b/panda/src/linmath/lmatrix4_src.h
@@ -11,8 +11,6 @@
  * @date 1999-01-15
  */
 
-class FLOATNAME(UnalignedLMatrix4);
-
 /**
  * This is a 4-by-4 transform matrix.
  */
@@ -55,11 +53,8 @@ PUBLISHED:
 
   INLINE_LINMATH FLOATNAME(LMatrix4)() = default;
   INLINE_LINMATH FLOATNAME(LMatrix4)(const FLOATNAME(LMatrix4) &other) = default;
-  INLINE_LINMATH FLOATNAME(LMatrix4)(const FLOATNAME(UnalignedLMatrix4) &other);
   INLINE_LINMATH FLOATNAME(LMatrix4) &operator = (
       const FLOATNAME(LMatrix4) &other) = default;
-  INLINE_LINMATH FLOATNAME(LMatrix4) &operator = (
-      const FLOATNAME(UnalignedLMatrix4) &other);
   INLINE_LINMATH FLOATNAME(LMatrix4) &operator = (FLOATTYPE fill_value);
 
   INLINE_LINMATH FLOATNAME(LMatrix4)(FLOATTYPE, FLOATTYPE, FLOATTYPE, FLOATTYPE,
@@ -287,8 +282,7 @@ public:
   // The underlying implementation is via the Eigen library, if available.
 
   // Unlike LMatrix3, we fully align LMatrix4 to 16-byte boundaries, to take
-  // advantage of SSE2 optimizations when available.  Sometimes this alignment
-  // requirement is inconvenient, so we also provide UnalignedLMatrix4, below.
+  // advantage of SSE2 optimizations when available.
   typedef LINMATH_MATRIX(FLOATTYPE, 4, 4) EMatrix4;
   EMatrix4 _m;
 
@@ -318,59 +312,6 @@ private:
   static TypeHandle _type_handle;
 };
 
-/**
- * This is an "unaligned" LMatrix4.  It has no functionality other than to
- * store numbers, and it will pack them in as tightly as possible, avoiding
- * any SSE2 alignment requirements shared by the primary LMatrix4 class.
- *
- * Use it only when you need to pack numbers tightly without respect to
- * alignment, and then copy it to a proper LMatrix4 to get actual use from it.
- */
-class EXPCL_PANDA_LINMATH FLOATNAME(UnalignedLMatrix4) {
-PUBLISHED:
-  enum {
-    num_components = 16
-  };
-
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)() = default;
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)(const FLOATNAME(LMatrix4) &copy);
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)(const FLOATNAME(UnalignedLMatrix4) &copy) = default;
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4) &operator = (const FLOATNAME(LMatrix4) &copy);
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4) &operator = (const FLOATNAME(UnalignedLMatrix4) &copy) = default;
-  INLINE_LINMATH FLOATNAME(UnalignedLMatrix4)(FLOATTYPE e00, FLOATTYPE e01, FLOATTYPE e02, FLOATTYPE e03,
-                                              FLOATTYPE e10, FLOATTYPE e11, FLOATTYPE e12, FLOATTYPE e13,
-                                              FLOATTYPE e20, FLOATTYPE e21, FLOATTYPE e22, FLOATTYPE e23,
-                                              FLOATTYPE e30, FLOATTYPE e31, FLOATTYPE e32, FLOATTYPE e33);
-
-  INLINE_LINMATH void set(FLOATTYPE e00, FLOATTYPE e01, FLOATTYPE e02, FLOATTYPE e03,
-                          FLOATTYPE e10, FLOATTYPE e11, FLOATTYPE e12, FLOATTYPE e13,
-                          FLOATTYPE e20, FLOATTYPE e21, FLOATTYPE e22, FLOATTYPE e23,
-                          FLOATTYPE e30, FLOATTYPE e31, FLOATTYPE e32, FLOATTYPE e33);
-
-  INLINE_LINMATH FLOATTYPE &operator () (int row, int col);
-  INLINE_LINMATH FLOATTYPE operator () (int row, int col) const;
-
-  INLINE_LINMATH const FLOATTYPE *get_data() const;
-  INLINE_LINMATH int get_num_components() const;
-
-  INLINE_LINMATH bool operator == (const FLOATNAME(UnalignedLMatrix4) &other) const;
-  INLINE_LINMATH bool operator != (const FLOATNAME(UnalignedLMatrix4) &other) const;
-
-public:
-  typedef UNALIGNED_LINMATH_MATRIX(FLOATTYPE, 4, 4) UMatrix4;
-  UMatrix4 _m;
-
-public:
-  static TypeHandle get_class_type() {
-    return _type_handle;
-  }
-  static void init_type();
-
-private:
-  static TypeHandle _type_handle;
-};
-
-
 INLINE std::ostream &operator << (std::ostream &out, const FLOATNAME(LMatrix4) &mat) {
   mat.output(out);
   return out;
diff --git a/panda/src/linmath/lvecBase4_src.I b/panda/src/linmath/lvecBase4_src.I
index 9cf554454b..8d274eabb6 100644
--- a/panda/src/linmath/lvecBase4_src.I
+++ b/panda/src/linmath/lvecBase4_src.I
@@ -15,7 +15,7 @@
  *
  */
 INLINE_LINMATH FLOATNAME(LVecBase4)::
-FLOATNAME(LVecBase4)(const FLOATNAME(UnalignedLVecBase4) &copy) {
+FLOATNAME(LVecBase4)(const FLOATNAME(LVecBase4) &copy) {
   set(copy[0], copy[1], copy[2], copy[3]);
 }
 
@@ -894,99 +894,3 @@ read_datagram(DatagramIterator &source) {
   _v(3) = source.get_stdfloat();
 #endif
 }
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)::
-FLOATNAME(UnalignedLVecBase4)(const FLOATNAME(LVecBase4) &copy) {
-  set(copy[0], copy[1], copy[2], copy[3]);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)::
-FLOATNAME(UnalignedLVecBase4)(FLOATTYPE fill_value) {
-  fill(fill_value);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)::
-FLOATNAME(UnalignedLVecBase4)(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w) {
-  TAU_PROFILE("UnalignedLVecBase4::UnalignedLVecBase4(FLOATTYPE, ...)", " ", TAU_USER);
-  set(x, y, z, w);
-}
-
-/**
- * Sets each element of the vector to the indicated fill_value.  This is
- * particularly useful for initializing to zero.
- */
-INLINE_LINMATH void FLOATNAME(UnalignedLVecBase4)::
-fill(FLOATTYPE fill_value) {
-  TAU_PROFILE("void UnalignedLVecBase4::fill()", " ", TAU_USER);
-  _v(0) = fill_value;
-  _v(1) = fill_value;
-  _v(2) = fill_value;
-  _v(3) = fill_value;
-}
-
-/**
- *
- */
-INLINE_LINMATH void FLOATNAME(UnalignedLVecBase4)::
-set(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w) {
-  TAU_PROFILE("void UnalignedLVecBase4::set()", " ", TAU_USER);
-  _v(0) = x;
-  _v(1) = y;
-  _v(2) = z;
-  _v(3) = w;
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATTYPE FLOATNAME(UnalignedLVecBase4)::
-operator [](int i) const {
-  nassertr(i >= 0 && i < 4, 0);
-  return _v(i);
-}
-
-/**
- *
- */
-INLINE_LINMATH FLOATTYPE &FLOATNAME(UnalignedLVecBase4)::
-operator [](int i) {
-  nassertr(i >= 0 && i < 4, _v(0));
-  return _v(i);
-}
-
-/**
- * Returns the address of the first of the three data elements in the vector.
- * The remaining elements occupy the next positions consecutively in memory.
- */
-INLINE_LINMATH const FLOATTYPE *FLOATNAME(UnalignedLVecBase4)::
-get_data() const {
-  return &_v(0);
-}
-
-/**
- *
- */
-INLINE_LINMATH bool FLOATNAME(UnalignedLVecBase4)::
-operator == (const FLOATNAME(UnalignedLVecBase4) &other) const {
-  return (_v(0) == other._v(0) &&
-          _v(1) == other._v(1) &&
-          _v(2) == other._v(2) &&
-          _v(3) == other._v(3));
-}
-
-/**
- *
- */
-INLINE_LINMATH bool FLOATNAME(UnalignedLVecBase4)::
-operator != (const FLOATNAME(UnalignedLVecBase4) &other) const {
-  return !operator == (other);
-}
diff --git a/panda/src/linmath/lvecBase4_src.cxx b/panda/src/linmath/lvecBase4_src.cxx
index bbf591b51b..3c492d0357 100644
--- a/panda/src/linmath/lvecBase4_src.cxx
+++ b/panda/src/linmath/lvecBase4_src.cxx
@@ -12,7 +12,6 @@
  */
 
 TypeHandle FLOATNAME(LVecBase4)::_type_handle;
-TypeHandle FLOATNAME(UnalignedLVecBase4)::_type_handle;
 
 const FLOATNAME(LVecBase4) FLOATNAME(LVecBase4)::_zero =
   FLOATNAME(LVecBase4)(0, 0, 0, 0);
@@ -35,15 +34,3 @@ init_type() {
     register_type(_type_handle, FLOATNAME_STR(LVecBase4));
   }
 }
-
-
-/**
- *
- */
-void FLOATNAME(UnalignedLVecBase4)::
-init_type() {
-  if (_type_handle == TypeHandle::none()) {
-    // Format a string to describe the type.
-    register_type(_type_handle, FLOATNAME_STR(UnalignedLVecBase4));
-  }
-}
diff --git a/panda/src/linmath/lvecBase4_src.h b/panda/src/linmath/lvecBase4_src.h
index e5a391f1c7..2b5710528c 100644
--- a/panda/src/linmath/lvecBase4_src.h
+++ b/panda/src/linmath/lvecBase4_src.h
@@ -15,7 +15,6 @@ class FLOATNAME(LVecBase2);
 class FLOATNAME(LVecBase3);
 class FLOATNAME(LPoint3);
 class FLOATNAME(LVector3);
-class FLOATNAME(UnalignedLVecBase4);
 
 /**
  * This is the base class for all three-component vectors and points.
@@ -39,7 +38,7 @@ PUBLISHED:
   INLINE_LINMATH FLOATNAME(LVecBase4)() = default;
   INLINE_LINMATH FLOATNAME(LVecBase4)(FLOATTYPE fill_value);
   INLINE_LINMATH FLOATNAME(LVecBase4)(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
-  INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(UnalignedLVecBase4) &copy);
+  INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LVecBase4) &copy);
   INLINE_LINMATH explicit FLOATNAME(LVecBase4)(const FLOATNAME(LVecBase3) &copy, FLOATTYPE w);
   INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LPoint3) &point);
   INLINE_LINMATH FLOATNAME(LVecBase4)(const FLOATNAME(LVector3) &vector);
@@ -194,8 +193,6 @@ public:
 
   // Unlike LVecBase2 and LVecBase3, we fully align LVecBase4 to 16-byte
   // boundaries, to take advantage of SSE2 optimizations when available.
-  // Sometimes this alignment requirement is inconvenient, so we also provide
-  // UnalignedLVecBase4, below.
   typedef LINMATH_MATRIX(FLOATTYPE, 1, 4) EVector4;
   EVector4 _v;
 
@@ -218,60 +215,6 @@ private:
   static TypeHandle _type_handle;
 };
 
-/**
- * This is an "unaligned" LVecBase4.  It has no functionality other than to
- * store numbers, and it will pack them in as tightly as possible, avoiding
- * any SSE2 alignment requirements shared by the primary LVecBase4 class.
- *
- * Use it only when you need to pack numbers tightly without respect to
- * alignment, and then copy it to a proper LVecBase4 to get actual use from
- * it.
- */
-class EXPCL_PANDA_LINMATH FLOATNAME(UnalignedLVecBase4) {
-PUBLISHED:
-  enum {
-    num_components = 4,
-
-#ifdef FLOATTYPE_IS_INT
-    is_int = 1
-#else
-    is_int = 0
-#endif
-  };
-
-  INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)() = default;
-  INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(const FLOATNAME(LVecBase4) &copy);
-  INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(FLOATTYPE fill_value);
-  INLINE_LINMATH FLOATNAME(UnalignedLVecBase4)(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
-
-  INLINE_LINMATH void fill(FLOATTYPE fill_value);
-  INLINE_LINMATH void set(FLOATTYPE x, FLOATTYPE y, FLOATTYPE z, FLOATTYPE w);
-
-  INLINE_LINMATH FLOATTYPE operator [](int i) const;
-  INLINE_LINMATH FLOATTYPE &operator [](int i);
-  constexpr static int size() { return 4; }
-
-  INLINE_LINMATH const FLOATTYPE *get_data() const;
-  constexpr static int get_num_components() { return 4; }
-
-  INLINE_LINMATH bool operator == (const FLOATNAME(UnalignedLVecBase4) &other) const;
-  INLINE_LINMATH bool operator != (const FLOATNAME(UnalignedLVecBase4) &other) const;
-
-public:
-  typedef FLOATTYPE numeric_type;
-  typedef UNALIGNED_LINMATH_MATRIX(FLOATTYPE, 1, 4) UVector4;
-  UVector4 _v;
-
-public:
-  static TypeHandle get_class_type() {
-    return _type_handle;
-  }
-  static void init_type();
-
-private:
-  static TypeHandle _type_handle;
-};
-
 INLINE std::ostream &operator << (std::ostream &out, const FLOATNAME(LVecBase4) &vec) {
   vec.output(out);
   return out;