diff --git a/assets/src/scripts/components/hydrograph/legend.js b/assets/src/scripts/components/hydrograph/legend.js
index 50c3807d3a1d1d09e538bd1f385d573f49d54026..0eb199ccc19e62ec80fdbd2e06e8d4c22f618272 100644
--- a/assets/src/scripts/components/hydrograph/legend.js
+++ b/assets/src/scripts/components/hydrograph/legend.js
@@ -24,17 +24,16 @@ const tsMaskMarkers = function(tsKey, masks) {
 };
 
 const tsLineMarkers = function(tsKey, lineClasses) {
-    const GROUP_ID = `${tsKey}-line-marker`;
     let result = [];
 
     if (lineClasses.default) {
-        result.push(defineLineMarker(null, `line-segment ts-${tsKey}`, 'Provisional', GROUP_ID));
+        result.push(defineLineMarker(null, `line-segment ts-${tsKey}`, 'Provisional'));
     }
     if (lineClasses.approved) {
-        result.push(defineLineMarker(null, `line-segment approved ts-${tsKey}`, 'Approved', GROUP_ID));
+        result.push(defineLineMarker(null, `line-segment approved ts-${tsKey}`, 'Approved'));
     }
     if (lineClasses.estimated) {
-        result.push(defineLineMarker(null, `line-segment estimated ts-${tsKey}`, 'Estimated', GROUP_ID));
+        result.push(defineLineMarker(null, `line-segment estimated ts-${tsKey}`, 'Estimated'));
     }
     return result;
 };
diff --git a/assets/src/styles/components/_hydrograph.scss b/assets/src/styles/components/_hydrograph.scss
index 5dc7fb40ab344626ac30b698c99c8329b9a459dc..bc77cb152feaf1acf89c04ac71781a1832cef851 100644
--- a/assets/src/styles/components/_hydrograph.scss
+++ b/assets/src/styles/components/_hydrograph.scss
@@ -176,7 +176,6 @@ $highlight: $color-gray-lightest;
         .y-axis {
             text {
                 fill: black;
-                text-anchor: left;
                 &.y-axis-label {
                     text-anchor: middle;
                     display: none;
@@ -273,7 +272,7 @@ $highlight: $color-gray-lightest;
 }
 
 .slider-wrapper {
-    height: 0px;
+    height: 0;
     input#cursor-slider {
         max-width: none;
         position: relative;
@@ -302,7 +301,7 @@ $highlight: $color-gray-lightest;
     .graph-controls-container {
         position: absolute;
         display: inline-block;
-        top: 0px;
-        right: 0px;
+        top: 0;
+        right: 0;
     }
 }