diff --git a/packages/drawer/src/mwc-drawer-base.ts b/packages/drawer/src/mwc-drawer-base.ts
index 725e621de..6e46ef592 100644
--- a/packages/drawer/src/mwc-drawer-base.ts
+++ b/packages/drawer/src/mwc-drawer-base.ts
@@ -25,8 +25,8 @@ import 'blocking-elements/blocking-elements.js';
 declare global {
   interface Document {
     $blockingElements: {
-      push(HTMLElement): void;
-      remove(HTMLElement): Boolean;
+      push(element: HTMLElement): void;
+      remove(element: HTMLElement): Boolean;
     }
   }
 
@@ -146,4 +146,4 @@ export class DrawerBase extends BaseElement {
       this.createFoundation();
     }
   }
-}
\ No newline at end of file
+}
diff --git a/packages/linear-progress/src/mwc-linear-progress-base.ts b/packages/linear-progress/src/mwc-linear-progress-base.ts
index 34352dd1d..93eeb6f18 100644
--- a/packages/linear-progress/src/mwc-linear-progress-base.ts
+++ b/packages/linear-progress/src/mwc-linear-progress-base.ts
@@ -85,7 +85,17 @@ export class LinearProgressBase extends BaseElement {
       ...addHasRemoveClass(this.mdcRoot),
       getPrimaryBar: () => this.primaryBar,
       getBuffer: () => this.bufferElement,
-      setStyle: (el: HTMLElement, property: string, value: string) => el.style[property] = value,
+      setStyle: (el: HTMLElement, property: string, value: string) =>
+          el.style
+              // TODO(aomarks) Consider moving this type to the
+              // MDCLinearProgressAdapter parameter type, but note that the
+              // "-webkit" prefixed CSS properties are not declared in
+              // CSSStyleDeclaration.
+              //
+              // Exclude read-only properties.
+              [property as
+               Exclude<keyof CSSStyleDeclaration, 'length'|'parentRule'>] =
+              value,
     };
   }
 
diff --git a/packages/tab-bar/src/mwc-tab-bar-base.ts b/packages/tab-bar/src/mwc-tab-bar-base.ts
index 632fd9233..d2ec15db5 100644
--- a/packages/tab-bar/src/mwc-tab-bar-base.ts
+++ b/packages/tab-bar/src/mwc-tab-bar-base.ts
@@ -78,7 +78,7 @@ export class TabBarBase extends BaseElement {
     return this.tabsSlot.assignedNodes({flatten: true}).filter((e: Node) => e instanceof Tab) as Tab[];
   }
 
-  private _getTab(index) {
+  private _getTab(index: number) {
     return this._getTabs()[index];
   }
 
@@ -169,4 +169,4 @@ export class TabBarBase extends BaseElement {
     this.mdcFoundation.scrollIntoView(index);
   }
 
-}
\ No newline at end of file
+}
diff --git a/packages/tab-bar/src/mwc-tab-bar.ts b/packages/tab-bar/src/mwc-tab-bar.ts
index 8bc8c2b6e..17c022bf3 100644
--- a/packages/tab-bar/src/mwc-tab-bar.ts
+++ b/packages/tab-bar/src/mwc-tab-bar.ts
@@ -27,4 +27,4 @@ declare global {
 @customElement('mwc-tab-bar' as any)
 export class TabBar extends TabBarBase {
   static styles = style;
-}
\ No newline at end of file
+}
diff --git a/packages/tab/src/mwc-tab-base.ts b/packages/tab/src/mwc-tab-base.ts
index 488f85dbb..6bec38631 100644
--- a/packages/tab/src/mwc-tab-base.ts
+++ b/packages/tab/src/mwc-tab-base.ts
@@ -164,4 +164,4 @@ export class TabBase extends BaseElement {
     this.mdcRoot.focus();
   }
 
-}
\ No newline at end of file
+}
diff --git a/packages/tab/src/mwc-tab.ts b/packages/tab/src/mwc-tab.ts
index acdbb0e40..8f1369a26 100644
--- a/packages/tab/src/mwc-tab.ts
+++ b/packages/tab/src/mwc-tab.ts
@@ -28,4 +28,4 @@ declare global {
 @customElement('mwc-tab' as any)
 export class Tab extends TabBase {
   static styles = style;
-}
\ No newline at end of file
+}