diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
index baf5258..26299e9 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
@@ -164,8 +164,8 @@
 
     // Sets the projection state to use
     virtual void setProjection(const ui::Transform&, uint32_t orientation, const Rect& frame,
-                               const Rect& viewport, const Rect& sourceClip,
-                               const Rect& destinationClip, bool needsFiltering) = 0;
+                               const Rect& viewport, const Rect& destinationClip,
+                               bool needsFiltering) = 0;
     // Sets the bounds to use
     virtual void setBounds(const ui::Size&) = 0;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index 6f25e63..0ac2545 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -39,7 +39,7 @@
     std::optional<DisplayId> getDisplayId() const override;
     void setCompositionEnabled(bool) override;
     void setProjection(const ui::Transform&, uint32_t orientation, const Rect& frame,
-                       const Rect& viewport, const Rect& sourceClip, const Rect& destinationClip,
+                       const Rect& viewport, const Rect& destinationClip,
                        bool needsFiltering) override;
     void setBounds(const ui::Size&) override;
     void setLayerStackFilter(uint32_t layerStackId, bool isInternal) override;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index 66ed2b6..7120a48 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -79,9 +79,6 @@
     // The logical space user viewport rectangle
     Rect viewport;
 
-    // The physical space source clip rectangle
-    Rect sourceClip;
-
     // The physical space destination clip rectangle
     Rect destinationClip;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
index 4661c5d..c4dff73 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
@@ -36,9 +36,8 @@
     MOCK_CONST_METHOD0(getDisplayId, std::optional<DisplayId>());
 
     MOCK_METHOD1(setCompositionEnabled, void(bool));
-    MOCK_METHOD7(setProjection,
-                 void(const ui::Transform&, uint32_t, const Rect&, const Rect&, const Rect&,
-                      const Rect&, bool));
+    MOCK_METHOD6(setProjection,
+                 void(const ui::Transform&, uint32_t, const Rect&, const Rect&, const Rect&, bool));
     MOCK_METHOD1(setBounds, void(const ui::Size&));
     MOCK_METHOD2(setLayerStackFilter, void(uint32_t, bool));
 
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index b07c904..8abab51 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -106,12 +106,10 @@
 }
 
 void Output::setProjection(const ui::Transform& transform, uint32_t orientation, const Rect& frame,
-                           const Rect& viewport, const Rect& sourceClip,
-                           const Rect& destinationClip, bool needsFiltering) {
+                           const Rect& viewport, const Rect& destinationClip, bool needsFiltering) {
     auto& outputState = editState();
     outputState.transform = transform;
     outputState.orientation = orientation;
-    outputState.sourceClip = sourceClip;
     outputState.destinationClip = destinationClip;
     outputState.frame = frame;
     outputState.viewport = viewport;
@@ -863,7 +861,7 @@
 
     renderengine::DisplaySettings clientCompositionDisplay;
     clientCompositionDisplay.physicalDisplay = outputState.destinationClip;
-    clientCompositionDisplay.clip = outputState.sourceClip;
+    clientCompositionDisplay.clip = outputState.viewport;
     clientCompositionDisplay.orientation = outputState.orientation;
     clientCompositionDisplay.outputDataspace = mDisplayColorProfile->hasWideColorGamut()
             ? outputState.dataspace
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
index 4835aef..f3b2da1 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
@@ -41,7 +41,6 @@
     dumpVal(out, "bounds", bounds);
     dumpVal(out, "frame", frame);
     dumpVal(out, "viewport", viewport);
-    dumpVal(out, "sourceClip", sourceClip);
     dumpVal(out, "destinationClip", destinationClip);
     dumpVal(out, "needsFiltering", needsFiltering);
 
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index 59ed72e..2bb399c 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -240,18 +240,16 @@
     const int32_t orientation = 123;
     const Rect frame{1, 2, 3, 4};
     const Rect viewport{5, 6, 7, 8};
-    const Rect sourceClip{9, 10, 11, 12};
     const Rect destinationClip{13, 14, 15, 16};
     const bool needsFiltering = true;
 
-    mOutput->setProjection(transform, orientation, frame, viewport, sourceClip, destinationClip,
+    mOutput->setProjection(transform, orientation, frame, viewport, destinationClip,
                            needsFiltering);
 
     EXPECT_THAT(mOutput->getState().transform, transform);
     EXPECT_EQ(orientation, mOutput->getState().orientation);
     EXPECT_EQ(frame, mOutput->getState().frame);
     EXPECT_EQ(viewport, mOutput->getState().viewport);
-    EXPECT_EQ(sourceClip, mOutput->getState().sourceClip);
     EXPECT_EQ(destinationClip, mOutput->getState().destinationClip);
     EXPECT_EQ(needsFiltering, mOutput->getState().needsFiltering);
 }
@@ -2787,7 +2785,6 @@
 
         mOutput.mState.frame = kDefaultOutputFrame;
         mOutput.mState.viewport = kDefaultOutputViewport;
-        mOutput.mState.sourceClip = kDefaultOutputSourceClip;
         mOutput.mState.destinationClip = kDefaultOutputDestinationClip;
         mOutput.mState.transform = ui::Transform{kDefaultOutputOrientation};
         mOutput.mState.orientation = kDefaultOutputOrientation;
@@ -2834,7 +2831,6 @@
 
     static const Rect kDefaultOutputFrame;
     static const Rect kDefaultOutputViewport;
-    static const Rect kDefaultOutputSourceClip;
     static const Rect kDefaultOutputDestinationClip;
     static const mat4 kDefaultColorTransformMat;
 
@@ -2856,7 +2852,6 @@
 
 const Rect OutputComposeSurfacesTest::kDefaultOutputFrame{1001, 1002, 1003, 1004};
 const Rect OutputComposeSurfacesTest::kDefaultOutputViewport{1005, 1006, 1007, 1008};
-const Rect OutputComposeSurfacesTest::kDefaultOutputSourceClip{1009, 1010, 1011, 1012};
 const Rect OutputComposeSurfacesTest::kDefaultOutputDestinationClip{1013, 1014, 1015, 1016};
 const mat4 OutputComposeSurfacesTest::kDefaultColorTransformMat{mat4() * 0.5f};
 const compositionengine::CompositionRefreshArgs OutputComposeSurfacesTest::kDefaultRefreshArgs;
@@ -3122,7 +3117,7 @@
     verify().ifMixedCompositionIs(true)
             .andIfUsesHdr(true)
             .andIfSkipColorTransform(false)
-            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputSourceClip,
+            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
                                             kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
                                             Region::INVALID_REGION, kDefaultOutputOrientation})
             .execute()
@@ -3133,7 +3128,7 @@
     verify().ifMixedCompositionIs(true)
             .andIfUsesHdr(false)
             .andIfSkipColorTransform(false)
-            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputSourceClip,
+            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
                                             kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
                                             Region::INVALID_REGION, kDefaultOutputOrientation})
             .execute()
@@ -3144,7 +3139,7 @@
     verify().ifMixedCompositionIs(false)
             .andIfUsesHdr(true)
             .andIfSkipColorTransform(false)
-            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputSourceClip,
+            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
                                             kDefaultMaxLuminance, kDefaultOutputDataspace,
                                             kDefaultColorTransformMat, Region::INVALID_REGION,
                                             kDefaultOutputOrientation})
@@ -3156,7 +3151,7 @@
     verify().ifMixedCompositionIs(false)
             .andIfUsesHdr(false)
             .andIfSkipColorTransform(false)
-            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputSourceClip,
+            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
                                             kDefaultMaxLuminance, kDefaultOutputDataspace,
                                             kDefaultColorTransformMat, Region::INVALID_REGION,
                                             kDefaultOutputOrientation})
@@ -3169,7 +3164,7 @@
     verify().ifMixedCompositionIs(false)
             .andIfUsesHdr(true)
             .andIfSkipColorTransform(true)
-            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputSourceClip,
+            .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
                                             kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
                                             Region::INVALID_REGION, kDefaultOutputOrientation})
             .execute()
@@ -3416,7 +3411,6 @@
     GenerateClientCompositionRequestsTest_ThreeLayers() {
         mOutput.mState.frame = kDisplayFrame;
         mOutput.mState.viewport = kDisplayViewport;
-        mOutput.mState.sourceClip = kDisplaySourceClip;
         mOutput.mState.destinationClip = kDisplayDestinationClip;
         mOutput.mState.transform = ui::Transform{kDisplayOrientation};
         mOutput.mState.orientation = kDisplayOrientation;
@@ -3448,7 +3442,6 @@
 
     static const Rect kDisplayFrame;
     static const Rect kDisplayViewport;
-    static const Rect kDisplaySourceClip;
     static const Rect kDisplayDestinationClip;
 
     std::array<Layer, 3> mLayers;
@@ -3456,7 +3449,6 @@
 
 const Rect GenerateClientCompositionRequestsTest_ThreeLayers::kDisplayFrame(0, 0, 100, 200);
 const Rect GenerateClientCompositionRequestsTest_ThreeLayers::kDisplayViewport(0, 0, 101, 201);
-const Rect GenerateClientCompositionRequestsTest_ThreeLayers::kDisplaySourceClip(0, 0, 102, 202);
 const Rect GenerateClientCompositionRequestsTest_ThreeLayers::kDisplayDestinationClip(0, 0, 103,
                                                                                       203);
 
@@ -3945,14 +3937,12 @@
 
     const Rect kPortraitFrame(0, 0, 1000, 2000);
     const Rect kPortraitViewport(0, 0, 2000, 1000);
-    const Rect kPortraitSourceClip(0, 0, 1000, 2000);
     const Rect kPortraitDestinationClip(0, 0, 1000, 2000);
     const uint32_t kPortraitOrientation = TR_ROT_90;
     constexpr ui::Dataspace kOutputDataspace = ui::Dataspace::DISPLAY_P3;
 
     mOutput.mState.frame = kPortraitFrame;
     mOutput.mState.viewport = kPortraitViewport;
-    mOutput.mState.sourceClip = kPortraitSourceClip;
     mOutput.mState.destinationClip = kPortraitDestinationClip;
     mOutput.mState.transform = ui::Transform{kPortraitOrientation};
     mOutput.mState.orientation = kPortraitOrientation;
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 9aa274b..a4fc833 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -226,7 +226,6 @@
     const bool needsFiltering =
             (!globalTransform.preserveRects() || (type >= ui::Transform::SCALE));
 
-    const Rect& sourceClip = viewport;
     Rect destinationClip = globalTransform.transform(viewport);
     if (destinationClip.isEmpty()) {
         destinationClip = displayBounds;
@@ -244,7 +243,7 @@
     }
 
     getCompositionDisplay()->setProjection(globalTransform, transformOrientation, frame, viewport,
-                                           sourceClip, destinationClip, needsFiltering);
+                                           destinationClip, needsFiltering);
 }
 
 ui::Transform::RotationFlags DisplayDevice::getPrimaryDisplayRotationFlags() {
@@ -324,10 +323,6 @@
     return mCompositionDisplay->getState().frame;
 }
 
-const Rect& DisplayDevice::getSourceClip() const {
-    return mCompositionDisplay->getState().sourceClip;
-}
-
 bool DisplayDevice::hasWideColorGamut() const {
     return mCompositionDisplay->getDisplayColorProfile()->hasWideColorGamut();
 }
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index 576488c..1b66190 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -101,7 +101,6 @@
     const ui::Transform& getTransform() const;
     const Rect& getViewport() const;
     const Rect& getFrame() const;
-    const Rect& getSourceClip() const;
     bool needsFiltering() const;
     ui::LayerStack getLayerStack() const;
 
diff --git a/services/surfaceflinger/DisplayRenderArea.cpp b/services/surfaceflinger/DisplayRenderArea.cpp
index 7cd283d..bcebf23 100644
--- a/services/surfaceflinger/DisplayRenderArea.cpp
+++ b/services/surfaceflinger/DisplayRenderArea.cpp
@@ -129,7 +129,7 @@
 Rect DisplayRenderArea::getSourceCrop() const {
     // use the projected display viewport by default.
     if (mSourceCrop.isEmpty()) {
-        return mDisplay->getSourceClip();
+        return mDisplay->getViewport();
     }
 
     // If there is a source crop provided then it is assumed that the device
@@ -144,8 +144,8 @@
     }
 
     const auto flags = ui::Transform::toRotationFlags(logicalOrientation);
-    int width = mDisplay->getSourceClip().getWidth();
-    int height = mDisplay->getSourceClip().getHeight();
+    int width = mDisplay->getViewport().getWidth();
+    int height = mDisplay->getViewport().getHeight();
     ui::Transform rotation;
     rotation.set(flags, width, height);
     return rotation.transform(mSourceCrop);
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 9130b04..009de06 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -1522,7 +1522,6 @@
                                 mHardwareDisplaySize.height),
                   compositionState.transform);
         EXPECT_EQ(TRANSFORM_FLAGS_ROT_0, compositionState.orientation);
-        EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.sourceClip);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.destinationClip);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.frame);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.viewport);
@@ -1535,7 +1534,6 @@
                                 mHardwareDisplaySize.height),
                   compositionState.transform);
         EXPECT_EQ(TRANSFORM_FLAGS_ROT_90, compositionState.orientation);
-        EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.sourceClip);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.destinationClip);
         // For 90, the frame and viewport have the hardware display size width and height swapped
         EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.frame);
@@ -1549,8 +1547,6 @@
                                 mHardwareDisplaySize.height),
                   compositionState.transform);
         EXPECT_EQ(TRANSFORM_FLAGS_ROT_180, compositionState.orientation);
-        EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.sourceClip);
-        EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.destinationClip);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.frame);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.viewport);
         EXPECT_EQ(false, compositionState.needsFiltering);
@@ -1562,7 +1558,6 @@
                                 mHardwareDisplaySize.height),
                   compositionState.transform);
         EXPECT_EQ(TRANSFORM_FLAGS_ROT_270, compositionState.orientation);
-        EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.sourceClip);
         EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.destinationClip);
         // For 270, the frame and viewport have the hardware display size width and height swapped
         EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.frame);